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Antique Moonstone and Diamond Dress Set

An Edwardian 18 karat gold and platinum dress set with moonstones and diamonds. The set has 7 cabochon moonstones with an approximate total weight of 4.10 carats and 86 rose-cut diamonds with an approximate total weight of .45 carat. The classically-designed cluster cuff links are double-sided with clasped chain connections. The 3 cluster dress studs have gold folding wing backs. Similar pictured in Cuff Links, by Susan Jonas and Marilyn Nissenson, Harry N. Abrams, 1991, page 50 (similar).

Antique Moonstone and Diamond Dress Set

Antique Demantoid Garnet, Diamond, Gold and Platinum Grasshopper Brooch

An Antique 18 karat gold and platinum brooch with demantoid garnets, diamonds and ruby. The brooch has 38 demantoid garnets with an approximate total weight of 1.10 carats, 34 diamonds with an approximate total weight of .60 carat, and a ruby eye. The 3 dimensional grasshopper brooch is positioned in a perched position.

Antique Demantoid Garnet, Diamond, Gold and Platinum Grasshopper Brooch

Antique Emerald Diamond Platinum and Gold Cluster Ring

An Edwardian 18 karat gold and platinum ring with emerald and diamonds. The ring centers on a Colombian emerald with an approximate weight of 4.50 carats, which is framed with two rows of old mine-cut diamonds with an approximate total weight of .77 carat. The emerald is certified by the American Gemological Laboratory certificate # CS 69904 which states the emerald has "insignificant traditional treatment" and the country of origin is Colombia.

Antique Emerald Diamond Platinum and Gold Cluster Ring

French Edwardian Pink Sapphire, Diamond and Platinum Ring

A French Belle Epoque pink sapphire and diamond ring set in platinum. The classic cluster ring centers on an oval Ceylon pink sapphire weighing 3.87 carats, surrounded by 11 old mine-cut diamonds with an approximate total weight of 1.32 carats. French control mark. American Gemological Laboratory certificate # CS 64359 stating that the center stone is natural corundum pink sapphire from Ceylon; low temperature heating. Provenance: Lucie Bigelow Rosen

French Edwardian Pink Sapphire, Diamond and Platinum Ring

Art Deco Onyx, Diamond and Platinum Cuff Links

A pair of Art Deco platinum, onyx and diamond double sided cuff links, featuring an octagonal shape inset with a circle of black onyx surrounded by rose-cut diamonds with an approximate total weight of 1.20 carats.

Art Deco Onyx, Diamond and Platinum Cuff Links

French Art Deco Coral, Onyx and Diamond Cuff Links

A pair of French Art Deco platinum and 18 karat gold cuff links with diamond, onyx and coral. The cuff links have 56 rose-cut diamonds with an approximate total weight of .40 carat, and polished coral and onyx stones. Double-sided.

French Art Deco Coral, Onyx and Diamond Cuff Links

Okrant et Davidonniez Paris Art Deco Diamond and Platinum Wide Bracelet

A French Art Deco platinum bracelet with diamonds by Okrant et Davidonniez. The flexible open work bracelet has 512 European-cut diamonds with an approximate total weight of 38.00 carats, 2 larger diamonds with an approximate total weight of 2.00 carats, and 2 smaller flanking diamonds with an approximate total weight of 1.00 carat, VS clarity, G/H/I color grade. With original box. The Okrant et Davidonniez workshop was located in Paris at 64 rue Lafayette. They produced jewelry for all the Place Vendôme fine jewelry houses, such as Van Cleef & Arpels, Cartier, Mauboussin, and Boucheron. The firm closed in 1939. Exhibited at "Anything Goes: The Jazz Age" at the Nassau County Museum of Art, 24 March 2018 - 8 July 2018. Similar bracelets are pictured in Art Deco Jewelry, by Sylvie Raulet, Rizzoli, 1984, page 84, 154.

Okrant et Davidonniez Paris Art Deco Diamond and Platinum Wide Bracelet

French Art Deco Coral, Diamond, Onyx and Platinum Earrings

A pair of French Art Deco platinum earrings with diamonds, red coral, and onyx. The earring tops have black onyx and coral beads that suspend pear shape drop with 46 old European-cut diamonds with an approximate total weight of 1.00 carat alternating with black enamel triangles. The interior of the drop is framed with a single piece of cut coral. The earrings are in a modified pendeloque motif. Similar discussed in Earrings from Antiquity to the Present by Daniela Mascetti and Amanda Triossi, Thames & Hudson, 1990, page 132-135.

French Art Deco Coral, Diamond, Onyx and Platinum Earrings

Kohn Art Deco Diamond, Ruby, Emerald and Lapis Lazuli Jardiniere Brooch

An Art Deco platinum and gold brooch with diamonds, ruby, emerald and lapis lazuli by Kohn. The brooch has 38 round-cut diamonds with an approximate total weight of 1.20 carats, with ruby and emerald accents. The base of the jardiniere is formed of a single piece of lapis lazuli banded with red and black enamel. Exhibited at "Anything Goes: The Jazz Age" at the Nassau County Museum of Art, 24 March 2018 - 8 July 2018.

Kohn Art Deco Diamond, Ruby, Emerald and Lapis Lazuli Jardiniere Brooch

Late Edwardian Diamond, Onyx and Platinum Brooch

A late Edwardian platinum brooch with diamonds and onyx. The brooch has milgrain-set old European-cut diamonds with an approximate total weight of 6.50 carats, H/I color grade, VS clarity, with baguette-cut onyx accents. The brooch is designed as a poppy blossom with articulated diamond-set knife-edge bars. With detachable brooch fitting.

Late Edwardian Diamond, Onyx and Platinum Brooch

French Art Deco Diamond and Platinum Wide Plaque Bracelet

A French Art Deco platinum and diamond bracelet . The wide, flexible, openwork bracelet is composed of 3 diamond plaques centering on 3 Old European-cut diamonds that weigh approximately .95 carat, .85 carat and .80 carat. There are 411 old European-cut diamonds with an approximate total weight of 12.50 carats that form a geometric pattern. The larger diamonds are framed with 24 baguette-cut diamonds with an approximate total weight of 2.00 carats. The total approximate weight of the bracelet is 28.00 carats, G/H/I color, VS/SI clarity. Similar bracelets are pictured in Art Deco Jewelry, by Sylvie Raulet, Rizzoli, 1984, pages 84,154.

French Art Deco Diamond and Platinum Wide Plaque Bracelet

Late Art Deco Diamond, Sapphire and Platinum Double Ying-Yang Ring

An American Art Deco platinum ring with diamonds and sapphires. The ring has a center old European-cut diamond with an approximate weight of .50 carat flanked by 4 calibre cut sapphires, and a round-cut sapphire with an approximate weight of .57 carat flanked by 4 single cut diamonds. The ring is made as a double gypsy ring with the diamonds and sapphires in a ''ying-yang'' motif of positive-negative color.

Late Art Deco Diamond, Sapphire and Platinum Double Ying-Yang Ring

French Art Deco Gold and Platinum Cuff Links

A pair of French Art Deco 18 karat gold and platinum cuff links. The cuff links are designed in a square shape which is bisected by a platinum bar. Double sided. Discussed in "Cuff Links", by Susan Jonas and Marilyn Nissenson, Harry N. Abrams, 1991, pages 53-65.

French Art Deco Gold and Platinum Cuff Links

Dreicer & Co Art Deco Diamond and Pearl Watch

An American Art Deco platinum and white gold watch with diamonds and seed pearls by Dreicer & Co. The rectangular-faced watch has 68 single-cut diamonds with an approximate total weight of .76 carats surrounding the platinum case and accenting the bracelet strap of seed pearls measuring approximately 2 to 3 mm. Exhibited in "Roaring into the Future: New York 1915-35," at The Munson Williams Proctor Arts Institute, Utica, NY, June 17-October 9, 2017.

Dreicer & Co Art Deco Diamond and Pearl Watch

E. M. Gattle & Co. Art Deco Diamond and Platinum Brooch

An American Art Deco platinum brooch with diamonds by E. M. Gattle & Co.. The brooch has 168 old European-cut diamonds with an approximate total weight of 4.50 carats, and 5 square-cut diamonds with an approximate total weight of .75 carat. The total approximate diamond weight of the brooch is 5.25 carats, H/I color, VS clarity. The brooch centers on a dimensional jardinière flanked by pierced foliate elements with a milgrain set diamond border. E.M. Gattle Co. was founded by Emanuel Gattle in the latter part of the 19th century. Originally, E.M. Gattle & Co. was located on Broadway in the theatre district. In 1907, the company moved to the corner of 38th Street and Fifth Avenue and, later, to 55th Street and Fifth Avenue, next to the St. Regis Hotel. One of their notable customers was Enrico Caruso, who shopped Gattle stores for jewelry. However, he was not only a shopper of Gattle, he also allowed his name and photograph to be used in Gattle advertising. Gattle became successful until the time they closed their doors. The firm closed in 1940, a year before the outbreak of World War II. Exhibited at "Anything Goes: The Jazz Age" at the Nassau County Museum of Art, 24 March 2018 - 8 July 2018.

E. M. Gattle & Co. Art Deco Diamond and Platinum Brooch

Art Deco Diamond and Platinum Necklace

An Art Deco platinum necklace with diamonds. The necklace has 250 old European-cut diamonds with an approximate total weight of 9.00 carats, 27 mixed-cut diamonds with an approximate total weight of 5.50 carats, and 7 marquise-cut diamonds with an approximate total weight of 3.00 carats. The approximate total weight of the necklace is 17.50 carats, H/I color, VS/SI clarity. The necklace is designed in a strong Art Deco geometric motif with the central plaque suspending a graduated series of marquise diamond articulated tassels, and the clasp repeating the central plaque motif. Similar pictured in Art Deco Jewelry, by Sylvie Raulet, Rizzoli, 1984, page 124.

Art Deco Diamond and Platinum Necklace

Ostertag Paris Art Deco Diamond and Platinum Double Clip Brooch

A French Art Deco platinum double clip brooch with diamonds by Ostertag. The double clip brooch has 182 round and baguette-cut diamonds with an approximate total weight of 9.50 carats, G/H/I color, VS/SI clarity. Original bill of sale from M.S.Arnold Ostertag. The clips are designed in a stylized wing motif. Signed box, ''Paris Arnold Ostertag''. The firm of Ostertag, founded in the 1920''s by Swiss-born, Arnold Ostertag (1883 – c.1940) is said to have created objects that rivaled the creations of the more celebrated houses of Cartier, Van Cleef & Arpels, and Boucheron. The Ostertag Maison was located in Paris, at number 16 Place Vendôme, near other important jewelry houses of the day. During the 1920s and 1930s, Ostertag was especially known for jewelry and objets d''art based on Asian and Indian designs. One style, known as Tutti Frutti, popular from the early 1920s to the late 1930s, combined influences from Islamic religious architecture and so-called Hindu or Indian styles. Emeralds, carved rubies, and sapphires – often imported from worldwide locations – were interspersed with diamonds. The jewels were crafted into unique pieces using the highest known techniques of the day and arranged into flowers and leaves, studded with berries and fruit. Many of the creations were purchased by an elite clientele that ranged from empresses, kings, and dukes to celebrities. Ostert ... ag was among the renowned Parisian jewelers, led by Cartier and Mauboussin, that were invited to commission masterpieces in collaboration with other respected and well-known jewelry and timepiece houses of the day. Ostertag''s objets d''art and decorative clocks made by the revered clockmaker, George Verger, are jeweled works of art. In 1929 Ostertag exhibited jewelry and objets d''art at the Musée Galliera. Ostertag''s Paris shop continued until late 1939, when he left for America, where he died around 1940. His biographers, Proddow and Healy, write that Ostertag regularly visited America in years between World Wars I and II. They write that he would come to New York in mid-October, spend two months in Los Angeles, then visit Florida, and return to Paris via Cannes at Easter. After two months in Paris, he spent July in Deauville, August in the south of France, and September in Biarritz. At the onset of World War II, Maison Ostertag closed its doors forever. Discussed in Art Deco Jewelry by Sylvie Raulet, Rizzoli, 1985.

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Ostertag Paris Art Deco Diamond and Platinum Double Clip Brooch

Jung & Klitz Art Deco Jadeite Jade, Diamond and Platinum Ring

An American Art Deco platinum ring with jadeite and diamonds by Jung & Klitz. The ring has a cabochon jadeite measuring 15.90 x 11.35 x 4.28 mm, and old European-cut and bullet cut diamonds with an approximate total weight of 1.00 carat. Mason-Kay natural color report. Made by Jung & Klitz, a New York Company active 1915-1922. "Diamond Jim" Brady was one of their clients.

Jung & Klitz Art Deco Jadeite Jade, Diamond and Platinum Ring

Mid-20th Century Diamond, Ruby and Platinum Bracelet

A Mid-20th century platinum, diamond and ruby bracelet. The slightly graduated flexible bracelet has a central row of 44 marquise-cut diamonds with an approximate total weight of 13.40 carats, G/H color, VS clarity, accented by two outer rows of round-cut rubies with an approximate total weight of 6.15 carats.

Mid-20th Century Diamond, Ruby and Platinum Bracelet

Mid-20th Century Platinum, Gold and Blue Sapphire Stirrup Cuff Links

A pair of Mid-20th Century 14 karat gold and platinum hinged stirrup cuff links with blue sapphires attributed to the famed Beverly Hills jeweler William Ruser. The cuff links feature 8 cabochon blue sapphires, 2 on each end, with an approximate total weight of 1.20 carats.

Mid-20th Century Platinum, Gold and Blue Sapphire Stirrup Cuff Links

Art Deco Ruby and Platinum Cuff Links

A pair of Art Deco platinum cuff links with rubies. The cuff links have 12 calibre-cut rubies with an approximate total weight of 1.20 carats. The cuff links are designed in a strong architectural motif. Double sided.

Art Deco Ruby and Platinum Cuff Links

Ruser Mid-20th Century Diamond and Gold Bracelet

An American Mid-20th Century platinum, gold and diamond bracelet by Ruser. The Modernist motif bracelet has 20 unique diamond pave links that are individually hinged and further decorated with gold beading. There are 300 round-cut diamonds with an approximate total weight of 16.00 carats. William Ruser was a much sought-after Beverly Hills jeweler to the Hollywood community. His pieces were worn by numerous film stars on- and off-screen, from the 1940''s through the 1960''s. The distinctive Ruser style involved skillfully-sculpted children and pearl-winged angels, often seated on clouds of freshwater pearls and crowned with halos of tiny seed pearls, as well as less whimsical jewelry. He closed the doors to his shop in 1969, whereupon the property was bought by Van Cleef and Arpels, which remains in the same location on Rodeo Drive today.

Ruser Mid-20th Century Diamond and Gold Bracelet

Mid-20 Century Emerald, Diamond and Platinum Ring

A Mid-20th Century platinum ring with emerald and diamonds. The ring has a rectangular-cut emerald with an approximate weight of 1.15 carats, 34 round diamonds with an approximate total weight of 2.40 carats, G/H color, VS/SI clarity, and 4 triangular-cut diamonds with an approximate total weight of 1.60 carats.

Mid-20 Century Emerald, Diamond and Platinum Ring

Cartier Paris Mid-20th Century Diamond, Lapis Lazuli, Gold and Platinum Pair of Brooches

A pair of French Mid-20th Century 18 karat gold and platinum brooches with diamonds and lapis lazuli by Cartier. Each ladybug clip/brooch has 6 round-cut diamonds with an approximate total weight of .60 carat which are bezel-set into the carved lapis lazuli wings. With signed Cartier box. Similar pictured in Amazing Cartier, by Nadine Coleno, Flammarion, 2008, page 44-45.

Cartier Paris Mid-20th Century Diamond, Lapis Lazuli, Gold and Platinum Pair of Brooches

Rubel Freres French Retro Diamond, Emerald and White Gold Bracelet

A French Retro 18 karat gold and platinum bracelet with emeralds and diamonds attributed to Rubel Frères. The bracelet has 64 square-cut emeralds with an approximate total weight of 8.30 carats, and 32 old European-cut diamonds with an approximate total weight of 0.95 carat. The flexible bracelet is designed in a step motif.

Rubel Freres French Retro Diamond, Emerald and White Gold Bracelet

Tiffany & Co. Art Deco Sapphire and Platinum Dress Set

A Tiffany & Co. platinum Art Deco 5-piece cuff link set with 39 blue sapphires weighing approximately 2.05 carats. The dress set is designed with diagonal stripes of square-cut sapphires bisecting the square cuff link tops. The cuff links are double-sided with bar connections.

Tiffany & Co. Art Deco Sapphire and Platinum Dress Set

Estate Colombian Emerald, Diamond and Platinum Ring

A classic composition with a truly stunning stone: This estate platinum and 18-karat gold ring features a rectangular emerald-cut emerald with an approximate weight of 8.99 carats, and two tapered baguette diamonds with an approximate total weight of .75 carat, G/H color, VS clarity. With AGL report #CS 67287 stating "Minor Traditional Treatment", and of Colombian origin.

Estate Colombian Emerald, Diamond and Platinum Ring

Van Cleef & Arpels Estate White and Natural Fancy Vivid Yellow Diamond Earrings

A pair of Estate 18 karat gold and platinum earrings with white and yellow diamonds by Van Cleef & Arpels. The earrings have 96 round-cut white diamonds with an approximate total weight of 10.50 carats, F/G color, VS clarity and 96 round-cut natural fancy vivid yellow diamonds with an approximate total weight of 10.50 carats. The diamonds range in size from ,07 carat to .15 carat. The earrings have been certified by the Gemological Institute of America, certificate # 2175461170 for the natural fancy vivid yellow diamonds.

Van Cleef & Arpels Estate White and Natural Fancy Vivid Yellow Diamond Earrings

Marcus & Co. Early-20th Century Diamond, Natural Pearl, Platinum and Gold Ring

An American Early 20th Century platinum and 18 karat gold ring with diamonds and natural pearl by Marcus & Co. The ring has 3 old mine-cut diamonds with an approximate weight of 1.25, 1.35 and 1.05 carats, L/M color, SI clarity respectively, and 10 old European-cut diamonds with an approximate total weight of .10 carat. The center of this ring is a natural pearl measuring 7.91 x 7.86 mm. Gemological Institute of America Certificate stating natural saltwater pearl #2155277139. The multi-generational New York firm of Marcus & Co was founded by an ambitious young German immigrant who had trained at a prominent Dresden court jeweler. In 1892, after working with Charles Lewis Tiffany, Hermann Marcus and his sons William and George together set up a business that soon became a glittering New York society institution renowned not only for its superb diamonds, colored stones and pearls, but also its instantly recognizable, original design style. The firm produced great jewels in the Art Nouveau and Arts & Crafts sensibility, with George, the artist/designer, drawing inspiration from sources as diverse and exotic as the contemporary French masters, the Moghuls and Maharajahs, the garland style of the Ancien Regime, and the genius of Renaissance goldsmiths. George''s distinctive, confident hand was always discernible in Marcus creations. Working as a team with George, his brother Wil ... liam was a gem and pearl connoisseur who travelled the world hunting fine gem material, including purchasing the entire production of never-before-seen black opal in Lightning Ridge Australia in 1908. Marcus exhibited at the 1900 Exposition Universelle in Paris, and their work won prizes at the prestigious Society of Arts & Crafts of Boston. Plique-a-jour enamel was an art in which Marcus & Co. excelled, creating jewels with unprecedented three-dimensional depth in this medium. The firm and family were well-known for their charitable activities and promotion of young jewelers such as Raymond Yard.

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Marcus & Co. Early-20th Century Diamond, Natural Pearl, Platinum and Gold Ring

Art Deco Burma Ruby, Diamond and Platinum Ring

An early Art Deco platinum ring with ruby and diamonds. The ring has a cushion-cut ruby with an approximate weight of 2.32 carats, and 47 old mine-cut diamonds with an approximate total weight of .70 carat. The center stone carries Gubelin Certificate No.14050082, 22 May 2014 which states that the ruby has characteristics consistent with those of Burma origin and that there is no indication of heating. The center ruby is surrounded by two concentric circles of the old mine-cut diamonds with an approximate total weight of .70 carat. .

Art Deco Burma Ruby, Diamond and Platinum Ring

Van Cleef & Arpels Late-20th Century Diamond, Platinum and Gold Earrings

A pair of French Late-20th Century platinum and 18 karat gold earrings with diamonds by Van Cleef & Arpels. The earrings have 104 circular-cut diamonds with an approximate total weight of 17.00 carats, E/F color, VS clarity. The earrings are designed as dimensional domed clusters. With signed Van Cleef & Arpels gray silk pouch.

Van Cleef & Arpels Late-20th Century Diamond, Platinum and Gold Earrings

French Late-20th Century Colombian Emerald Diamond Platinum and Gold Ring

A French Late-20th Century 18 karat gold and platinum ring with emerald and diamonds. The ring has 18 round diamonds with an approximate total weight of 1.55 carats, 32 square-cut diamonds with an approximate total weight of 1.75 carats, and a cabochon emerald with an approximate weight of 3.35 carats. The emerald carries American Gemological Laboratory Certificate #69327 stating Natural Colombian with insignificant-minor treatment.

French Late-20th Century Colombian Emerald Diamond Platinum and Gold Ring

Cartier Paris Late-20th Century Sapphire and Diamond Earrings

A pair of French platinum earrings with sapphires and diamonds by Cartier. The earrings have 30 pear-shape sapphires with an approximate total weight of 28.00 carats, 42 round-cut and 30 pear-shape diamonds with an approximate total weight of 10.00 carats, G/H color, VS clarity. The articulated drops are detachable. With signed Cartier box.

Cartier Paris Late-20th Century Sapphire and Diamond Earrings

Mid-20th Century Diamond Pearl and Platinum Swirl Ring

A Mid-20th Century platinum ring with diamonds and South Sea pearl. The ring is diamond pavé set with an approximate total weight of 9.50 carats, and a South Sea pearl measuring approximately 12.30 mm. The ring is designed in a swirl motif topped with the South Sea pearl.

Mid-20th Century Diamond Pearl and Platinum Swirl Ring

Kutchinsky London Mid-20th Century Diamond, Gold and Platinum Ring

An English Mid-20th Century 18 karat gold and platinum ring with diamonds by Kutchinsky, London. The Modernist ring has 26 round platinum-set diamonds with an approximate total weight of 1.60 carats, F/G color, VS clarity. The ring is designed in an asymmetric modernist motif. They made stylish gold and diamond jewelry of very fine quality, as well as beautiful gem-set pieces.

Kutchinsky London Mid-20th Century Diamond, Gold and Platinum Ring

Cartier Mid-20th Century Diamond and Platinum Feather Brooch

A Mid-20th Century platinum brooch with diamonds by Cartier designed in a stylized double feather motif. The brooch features 132 round-cut diamonds with an approximate total weight of 5.00 carats, and 48 baguette diamonds with an approximate total weight of 4.00 carats, G/H/I color, VS clarity. With signed Cartier box.

Cartier Mid-20th Century Diamond and Platinum Feather Brooch

Mid-20th Century Diamond and Platinum Bracelet

A Mid-20th Century platinum bracelet with diamonds. The flexible bracelet has 35 graduated round-cut diamonds with an approximate total weight of 15.00 carats, 154 baguette diamonds with an approximate total weight of 17.40 carats, and a center round-cut diamond with an approximate weight of 1.25 carats. Total approximate weight of the slightly graduated bracelet is 33.65 carats, G/H/I color, VS/SI clarity.

Mid-20th Century Diamond and Platinum Bracelet

Van Cleef & Arpels Mid-20th Century Diamond and Gold Bombé Ring

A Mid-20th century 18 karat gold and platinum ring with diamonds by Van Cleef & Arpels. The scalloped bombé ring has 7 round-cut diamonds with an approximate total weight of 1.25 carats, G/H color, VS clarity.

Van Cleef & Arpels Mid-20th Century Diamond and Gold Bombé Ring

Pierre Sterlé Mid-20th Century Diamond, Pearl and Platinum Brooch

A French Mid-20th Century platinum and 18 karat white gold brooch with diamonds and pearls by Pierre Sterlé. The brooch contains 300 round-cut diamonds with an approximate total weight of 8.50 carats, G/H color, VS clarity. There are 3 articulated South Sea pearls measuring 13.5 mm, 13.3 mm and 12.5 mm finishing the bottom. The brooch is designed as a tied bow composed of chevron-set diamond ribbons finished with the 3 diamond-capped South Sea pearls. A similar brooch is pictured in Sterlé Joaillier Paris, by Viviane Jutheau, Editions Vecteurs, 1990, Plate 1273.

Pierre Sterlé Mid-20th Century Diamond, Pearl and Platinum Brooch

Mid-20th Century Diamond and Platinum Necklace

A Mid-20th Century diamond and platinum necklace. The necklace is composed of a row of 79 marquise-cut diamonds with an approximate total weight of 29.00 carats. The marquise diamonds graduate from a center stone weighing approximately 1.50 carats to approximately .15 carat. Nine of the marquise central stones in the necklace weigh over 1.00 carat. The interior row of the necklace is composed of 155 baguette-cut diamonds with an approximate total weight of 32.00 carats, graduating from the center stone weighing approximately .45 carat to approximately .15 carat. The approximate total of the diamonds is 61.00 carats, D/E color, VVS/VS clarity.

Mid-20th Century Diamond and Platinum Necklace

French Mid-20th Century Diamond, Sapphire and Platinum Necklace

A French Mid-20th Century platinum necklace with sapphires and diamonds. The center of the necklace has 4 graduated festooned strands of 162 round and oval-cut sapphires with an approximate total weight of 25.00 carats that form the articulated swag. The blue sapphires are most likely from Ceylon. The top strand and side decoration have 153 baguette diamonds with an approximate total weight of 9.00 carats, and 104 round-cut diamonds with an approximate total weight of 14.40 carats, G/H color, VS clarity. French control mark for platinum. The motifs of 1950''s jewelry design may appear similar to pieces produced in the ''40''s, but they were executed in an entirely different way. Retro jewelry had a solid, heavy and highly polished look whereas 1950''s jewelry was open, airy and textural, although still solid and "important" in appearance. There was beautiful movement and a depth displayed in the execution of design in this period, as this swag designed necklace exemplifies.

French Mid-20th Century Diamond, Sapphire and Platinum Necklace

Mid-20th Century Diamond, Platinum and Gold Bracelet

A Mid-20th Century 18 karat gold and platinum bracelet with diamonds. The flexible bracelet has 248 round-cut prong-set diamonds with an approximate total weight of 27.90 carats, G/H color, VS clarity. The diamonds are set in flexible bullet-shaped sections.

Mid-20th Century Diamond, Platinum and Gold Bracelet

Mid-20th Century Diamond and Platinum Earrings

A pair of Mid-20th Century platinum earrings with round-, baguette- and marquise-cut diamonds. The earrings have 60 round-cut diamonds with an approximate total weight of 3.00 carats, 36 baguette-cut diamonds with an approximate total weight of 2.60 carats, and 10 marquise-cut diamonds with an approximate total weight of 1.30 carats. Approximate total diamond weight, 6.90 carats, G/H color, VS clarity. The earrings are designed in a stylized hanging floral motif.

Mid-20th Century Diamond and Platinum Earrings

Van Cleef & Arpels Mid-20th Century ''Two Feathers'' Diamond, Gold and Platinum Brooch

A French Mid-20th Century 18 karat gold and platinum brooch with diamonds by Van Cleef & Arpels. The ''Two Feathers'' brooch has 41 round-cut diamonds with an approximate total weight of 2.35 carats, G/H color, VS clarity. This brooch was first introduced in 1954 and has become an iconic piece for Van Cleef & Arpels. Similar pictured in Set in Style The Jewelry of Van Cleef & Arpels, by Sarah D. Coffin, with contributions by Suzy Menkes (and) Ruth Peltason, Smithsonian Cooper-Hewitt, National Design Museum, New York, 2011, page 221 (Similar). The pictured ''Two Feathers'' brooch is made in platinum, Mystery-set sapphires and diamonds,

Van Cleef & Arpels Mid-20th Century ''Two Feathers'' Diamond, Gold and Platinum Brooch

French Mid-20th Century Diamond and Platinum Earrings

A pair of French Mid-20th Century platinum earrings with diamonds. The earrings have 82 round-cut diamonds with an approximate total weight of 4.20 carats, and 48 baguette diamonds with an approximate total weight of 3.00 carats, H/I color, VS clarity. The design of the earrings represents the post war 1950''s ''return to glamour'' style of pendant earrings, reminiscent of rainfalls and cascades with articulated tassels. Similar pictured and discussed in Earrings From Antiquity to the Present, by Daniela Mascetti, Amanda Triossi, Thames & Hudson, 1999, pages 172-175.

French Mid-20th Century Diamond and Platinum Earrings

Marsh & Co. Mid-20th Century Jadeite Jade, Diamond, Steel and Platinum Ring

An American Mid-20th Century oxidized steel, platinum, jadeite and diamond ring, by G. T. Marsh & Co. The ring set with a marquise-shape jadeite cabochon, flanked by lines of 8 round diamonds with an approximate total weight of .16 carat. G.T. Marsh & Co. was a San Francisco-based Asian art dealer known for their distinctive jewels. As a boy infatuated with Asian culture, George Turner Marsh apprenticed with a Japanese tea merchant, remaining there alone while his Australian family continued on to San Francisco, where they settled. Young George used his time in Yokohama to become conversant in Japanese art and aesthetics, and after re-joining his family, established an Asian art gallery using the expertise he had acquired. During the 1930s, 40s and 50s, his family began designing jewelry based on their interpretation of masterful Japanese metalwork together with the favored gems of the region, jadeite, coral and pearls. The firm''s unique steel jewelry was produced by bluing and sandblasting techniques, which gave the metal its matte finish, an extraordinary base for its sparkling, gleaming gems.

Marsh & Co. Mid-20th Century Jadeite Jade, Diamond, Steel and Platinum Ring

Raymond Yard Mid-20th Century Diamond and Platinum Leaf Brooch

An American Mid-20th Century platinum brooch with diamonds by Raymond Yard. The brooch has 47 round diamonds with an approximate total weight of 4.30 carats, and 9 baguette diamonds with an approximate total weight of 1.10 carats. Total approximate weight of the brooch is 5.40 carats, F/H color, VS clarity. The dimensional brooch is composed of 2 overlapping leaves. The firm of Raymond Yard catered to the wealthiest and most distinguished American families such as Rockefellers, Fleischmanns, Flaglers, and Woolworths, among others. The firm, Raymond C. Yard, focused primarily on custom pieces for their clientele and was known for sourcing the highest quality of materials that his clientele demanded. Stock pieces were executed by the highest level of outside manufacturers, with Yard supplying the stones and designs. His creations exemplified the understated elegance of impeccable workmanship combined with the very finest of materials. Raymond Yard prided himself on his knowledge of gems and was considered one of the foremost experts on pearls. Similar pictured in Yard The Life and Magnificent Jewelry of Raymond C. Yard, by Natasha Kuzmanovic, The Vendome Press, 2007, page 61.

Raymond Yard Mid-20th Century Diamond and Platinum Leaf Brooch

Mid-20th Century Diamond and Platinum Bracelet

A Mid-20th Century platinum bracelet with diamonds. The flexible bracelet contains 178 baguette diamonds with an approximate total weight of 20.00 carats, centering on a square-cut diamond with an approximate total weight of 1.00 carat, and 98 round-cut diamonds with an approximate total weight of 9.50 carats. The approximate total weight of diamonds is 30.50 carats, G/H/I color, VS clarity. Similar bracelets are pictured in Les Bijoux Des Annees 50, by Melissa Gabardi, Les éditions de l''amateur, 1987, page 127, 131-132.

Mid-20th Century Diamond and Platinum Bracelet

Edwardian Diamond and Platinum Bracelet

An Edwaradian platinum and diamond bracelet. The bracelet is set with old European-cut diamonds with an approximate total weight of 9.35 carats. The bracelet is composed of 6 diamond-set plaques separated by diamond-set links.

Edwardian Diamond and Platinum  Bracelet

Art Deco Diamond, Sapphire and Platinum Art Deco Bracelet

An American Art Deco platinum bracelet with diamonds. The 4 section flexible bracelet is set with Old European-cut round and marquise-cut diamonds with an approximate total weight of 12.30 carats. The bracelet has 24 calibe-cut sapphire accents with an approximate total weight of 1.75 carats.

Art Deco Diamond, Sapphire and Platinum Art Deco Bracelet

French Art Deco Diamond and Platinum Line Bracelet

A French Art Deco diamond and platinum bracelet. The line bracelet has 38 round Old European box-set diamonds with an approximate total weight of 12.75 carats, I/J color, VS/SI clarity. The bracelet centers on a .90 carat Old European cut diamond graduating to diamonds of approximately .10 carat.

French Art Deco Diamond and Platinum Line Bracelet

Art Deco Diamond, Sapphire and Platinum Link Bracelet

A French Art Deco 18-karat gold and platinum bracelet with blue sapphires and diamonds. The bracelet has 8 open link sections with 64 old European-cut diamonds with an approximate total weight of 9.60 carats, and 32 single-cut diamonds with an approximate total weight of .64 carat, H/I color, VS clarity. The sections are connected with 8 links of 25 French-cut blue sapphires with an approximate total weight of 6.25 carats.

Art Deco Diamond, Sapphire and Platinum Link Bracelet

George Verger French Retro Diamond, Ruby, Rose Quartz, Platinum and Gold Bracelet Cuff

An important French Retro, 18-karat rose gold bangle bracelet with diamonds, rubies, and rose quartz, by Verger Frères. The hinged bangle bracelet is designed with terminals of rose quartz sphere clusters, each set with circular-cut rubies, approximate total weight 1.65 carats, flanked by old mine-cut diamonds with an approximate total weight of 1.30 carats, further highlighted by calibré-cut rubies with an approximate total weight of 1 carat. The Verger workshop was a successful, behind-the-scenes force creating jewels for Boucheron, Cartier, Tiffany, and Van Cleef & Arpels. Unlike those of many manufacturing jewelers, who merely produced work to order, Verger''s own original designs were particularly valued and sought after by these great Parisian Maison. Verger are known for their magnificent clocks featuring strongly defined shapes, stylized lines and global inspiration. For the Haute Joaillerie he created elaborate fancies of form and color contrast, as we see here in this important rose gold bracelet.

George Verger French Retro Diamond, Ruby, Rose Quartz, Platinum and Gold Bracelet Cuff

Boucheron Paris Mid-20th Century Platinum, Sapphire and Diamond Bracelet

A French Mid-20th Century platinum, sapphire and diamond bracelet by Boucheron. The bracelet is made of alternating rows of round- and oval-cut blue sapphires with an approximate total weight of 16.45 carats, and baguette-cut diamonds with an approximate total weight of 16.65 carats, G/H color, VS clarity. Sapphires are untreated and no evidence of enhancement. The origin is Thailand and Cambodia (Pailin). American Gemological certificate #1092977

Boucheron Paris Mid-20th Century Platinum, Sapphire and Diamond Bracelet

Retro Sapphire and Platinum Dress Set

A Retro platinum and blue sapphire dress set consisting of a pair of double-sided cuff links with 3 matching dress studs. There are 72 square-cut blue sapphires with an approximate total weight of 3.75 carats. With box.

Retro Sapphire and Platinum Dress Set

David Webb Mid-20th Century Diamond, Platinum, Gold, and Enamel Earrings

A pair of American Mid-Century platinum, 18 karat gold, enamel and diamond earrings by David Webb. The earrings feature polished gold strips and black enamel alternating with inset rows of 40 round-cut diamonds with an approximate total weight of 2.90 carats, G/H color, VS clarity.

David Webb Mid-20th Century Diamond, Platinum, Gold, and Enamel Earrings

Mellerio dits Meller French Mid-20th Century Diamond and Platinum Necklace Bracelet and Tiara

A French Mid-20th Century platinum and diamond necklace/tiara by Mellerio dits Meller. The necklace is composed of 200 round-cut diamonds with an approximate total weight of 44.25 carats, and 200 baguette diamonds with an approximate total weight of 45.75 carats. Approximate total carat weight is 90.00 carats, G/H color, VS clarity. The triple row necklace is formed of two outer rows of round-cut diamonds and a center row of baguette diamonds. The necklace separates forming a separate bracelet. The tiara frame is decorated with 7 round cut pastes. Mellerio fitted box. Mellerio dits Meller, the French jewelry house, was founded in 1613, and is still active today. "With jewelry for Marie-Antoinette, brooches for Princess Mathilde and tiaras for the court of the Netherlands, some of the biggest names in European royal history have cameos in the history of Mellerio dits Meller. The story of this jeweler to kings and queens has been written in gold and precious stones ever since Marie de Medicis lent her support to the house in 1613." Vincent Meylan, Mellerio historian.

Mellerio dits Meller French Mid-20th Century Diamond and Platinum Necklace Bracelet and Tiara

René Boivin Art Deco Platinum, Peridot and Diamond Ring

A French Art Deco platinum ring with peridot and diamonds by René Boivin. The ring centers on a cushion-cut peridot with an approximate weight of 3.25 carats, surrounded by 60 pavé set round-cut diamonds with an approximate total weight of 3.60 carats. With Certificate of Authenticity from Madame Françoise Cailles, expert for Boivin. René Boivin has been one of the most significant jewelry houses for the best part of a century since its late 19th Century beginnings under its founder Jules René Boivin. The significant legacy is due in no small measure to Jeanne Boivin, who took over her husband''s business after his death in 1917. Rather than wholly embracing the Art Deco trend that engulfed the rest of the French jewelry world in the late 1920s and early 1930s, she was also inspired by the exoticism that was enchanting the likes of Picasso and Paul Gauguin. Remaining close to the design greats such as Sandoz or Fouquet, she added her own feminine eye to the movement''s ideals with the help of Suzanne Belperron from 1921 to 1932. The Boivin house would go on to create many spectacular jewels famously inspired by nature and sea life. A similar ring is pictured in "Rene Boivin Jeweller", by Françoise Cailles, Quartet Books, 1994.

René Boivin Art Deco Platinum, Peridot and Diamond Ring

Tiffany & Co. Mid-20th Century Ruby, Diamond, Platinum and Gold Bracelet

An American Mid-20th Century 18 karat gold and platinum bracelet with rubies and diamonds by Tiffany & Co. The flexible bracelet has 32 rubies with an approximate total weight of 8.30 carats, and 286 diamonds with an approximate total weight of 12.70 carats. The rubies are thought to be of Burmese origin with no heat treatment.

Tiffany & Co. Mid-20th Century Ruby, Diamond, Platinum and Gold Bracelet

Verdura Late-20th Century Diamond, Kunzite and Platinum Earrings

A pair of Late-20th Century platinum earrings with diamonds and kunzites by Verdura. The earrings have 104 round-cut diamonds with an approximate total weight of 12.40 carats with a G/H/I color and VS clarity grade. They have two oval kunzite gemstone drops with an approximate total weight of 36.00 carats. The kunzite pendant drops are detachable. The pendants are signed "Verdura". With authenticity certificate from Verdura for the pendants. With signed Verdura box.

Verdura Late-20th Century Diamond, Kunzite and Platinum Earrings

Late 20th-Century Sapphire, Diamond and Platinum Necklace

A platinum necklace with sapphires and diamonds. The necklace is set with ten oval-cut sapphires with an approximate total weight of 44.74 carats, and 133 round and marquise-cut diamonds with an approximate total weight of 38.00 carats, G/H color, VS clarity. American Gemological Laboratory certificates for six of the sapphires - states no evidence of heat treatment.

Late 20th-Century Sapphire, Diamond and Platinum Necklace

Van Cleef & Arpels Paris Mid-20th Century Diamond, Ruby and Platinum Earrings

A pair of French Mid-20th Century earrings with diamonds and rubies by Van Cleef & Arpels. The earrings have 54 round cut diamonds with an approximate total weight of 10.00 carats, F/G color, VS clarity, and 54 round cut rubies with an approximate total weight of 10.00 carats. With signed Van Cleef & Arpels box.

Van Cleef & Arpels Paris Mid-20th Century Diamond, Ruby and Platinum Earrings

French Art Deco Red Coral, Diamond and Platinum Ring

A French Art Deco platinum ring with diamonds and red coral. The ring has a red coral cabochon and 20 old European-cut diamonds with an approximate total weight of .20 carat. The ring is composed of diamond-set step shoulders, and a deeply scrolled gallery with an Art Deco design carriage.

French Art Deco Red Coral, Diamond and Platinum Ring

Van Cleef & Arpels Paris Art Deco Diamond and Platinum Cufflinks

A pair of French Art Deco platinum cuff links with diamonds by Van Cleef & Arpels. The cuff links have 8 baguette diamonds with an approximate total weight of .70 carat. The double sided cuff links are designed in a graphic Art Deco motif with the baguette diamond details.

Van Cleef & Arpels Paris Art Deco Diamond and Platinum Cufflinks

David Webb Mid-20th Century Diamond Gold and Platinum Ring

An American Mid-20th Century gold and platinum ring with diamonds by David Webb. The ring has a bezel-set modern Asscher-cut diamond with an approximate total weight of 2,55 carats, H/I color, VS clarity, and 12 round diamonds with an approximate total weight of 1.40 carats, H/I color, VS clarity. The ring exemplifies the distinctive Webb style of ''''big and bold". Discussed in David Webb The Quintessential American Jeweler, by Ruth Peltason, Assouline, 2013.

David Webb Mid-20th Century Diamond Gold and Platinum Ring

Cartier Paris Mid-20th Century Diamond, Gold and Platinum Fringe Necklace

A French Mid-20th Century 18kt gold and platinum necklace with diamonds by Cartier. The necklace has 148 round-cut diamonds with an approximate total weight of 4.50 carats, G/H color, VS clarity. The necklace is designed in a foliate fringe motif with diamond set platinum articulated ''leaves''. With signed Cartier box.

Cartier Paris Mid-20th Century Diamond, Gold and Platinum Fringe Necklace

Cartier Mid-20th Century Turquoise, Diamond and Gold Cocktail/Dinner Ring

A Mid-20th Century 18-karat gold and platinum ring with diamonds and turquoise by Cartier. The asymmetrical bombé form centers 46 cabochon turquoise stones, edged by gadrooned gold wiretwist and round brilliant-cut diamond shoulders, pavé-set with 52 round brilliant-cut diamonds with an approximate total weight of 3.70 carats, completed by a ribbed shank. Circa 1956. A similar ring set with faceted sapphires is pictured in Amazing Cartier, Jewelry Design Since 1937, by Nadine Coleno, Flammarion Publishers, 2008, page 165. Often worn two or three to a hand, these bold, luxurious and colorful "cocktail" rings were the perfect expression of women''s post-World War II social and expressive freedom. Under the direction of Jeanne Toussaint, the eternally stylish creative director, Cartier produced a variety of these at once playful and sensual jewels.

Cartier Mid-20th Century Turquoise, Diamond and Gold Cocktail/Dinner Ring

Art Deco Diamond, Sapphire and Platinum Plaque Ring

An Art Deco platinum ring with diamonds and sapphires. The ring has a center oval diamond with an approximate weight of .80 carat, I/J color, VS clarity and 60 old European-cut diamonds with an approximate total weight of 1.20 carats, and 12 calibre-cut sapphires. The ring is designed in a classic Art Deco plaque motif.

Art Deco Diamond, Sapphire and Platinum Plaque Ring

Natural Pearl and Diamond Ring

An Edwardian platinum ring with diamonds and pearl. The ring has 30 single-cut diamonds, continuously set, with an approximate total weight of .30 carats, and a natural saltwater pearl measuring 8.80 mm. GIA Report #2165959361 stating "natural saltwater no treatment" pearl.

Natural Pearl and Diamond Ring

Tiffany & Co. Art Deco ''No Heat'' Ruby, Diamond and Platinum Ring

This Art Deco jewel by Tiffany & Co. features a rare, untreated ruby from Burma, the origin most prized by global connoisseurs for hundreds of years. Burma rubies'' exceptional red fluorescence comes from their formation under very particular geologic conditions, in beautiful white limestone that is ultra low in iron content. In the 1920s, Tiffany mounted this vivid stone among colorless diamonds and lines of calibré-cut rubies. In skillfully minimizing the platinum mount, Tiffany jewelers made the pure geometry of the gems and the design cohere into a brilliant statement of the Deco aesthetic. A platinum Art Deco ring with rubies and diamonds by Tiffany & Co. The ring centers on an emerald-cut ruby with an approximate weight of 1.10 carats, and 10 old European-cut diamonds with an approximate total weight of 0.74 carat. The ring is designed in a highly graphic Art Deco motif. AGL report no. CS 72168, origin: Burma (Myanmar) origin, no indications of heat. Circa 1925. AGL report no. CS 72168, origin: Burma (Myanmar) origin, no indications of heat.

Tiffany & Co. Art Deco ''No Heat'' Ruby, Diamond and Platinum Ring

Estate Natural ''No Heat'' Ceylon Sapphire Diamond Platinum Ring

An estate platinum ring with a natural Ceylon sapphire and diamonds. The ring has a step-cut, no-heat sapphire weighing approximately 7.14 carats of Sri Lankan (Ceylon) origin. The platinum mount is set with 2 half moon diamonds with an approximate total weight of 1.75 carat, G/H color, VS/SI clarity. Gemological Institute of America Certificate # 5171545750 stating Sri Lanka origin, no indications of heating. Lotus Report 8651-1092.

Estate Natural ''No Heat'' Ceylon Sapphire Diamond Platinum Ring

Art Deco Diamond and Emerald Necklace

An Art Deco platinum necklace with emeralds, diamonds and enamel. The necklace has five fluted emerald beads with an approximate total weight of 19.00 carats, accented with 124 baguettes, 10 triangular and 302 round old European-cut diamonds with an approximate total weight of 11.10 carats, G/H/I color, VS clarity. Each graduated emerald bead is flanked by black enamel accents, with the back chain set in an Art Deco baguette and round diamond motif.

Art Deco Diamond and Emerald Necklace

Cartier Paris Retro ''Step'' Diamond and Gold Ring

A Mid-20th Century 18 karat gold and platinum ring with diamonds by Cartier. The polished yellow gold ring has 35 platinum set round cut diamonds with an approximate total weight of 3.50 carats, H/I color, VS clarity. Innovative design is a Cartier trademark. This ring has a diamond step motif on one side and a gold fan motif on the other, creating an illusion of two entirely different rings depending upon the perspective of the viewer. With signed Cartier box.

Cartier Paris Retro ''Step'' Diamond and Gold Ring

French Art Nouveau silver and plique-à-jour enamel coupe d''ornement by Eugène Feuillâtre

A French Art Nouveau silver and plique-à-jour enamel coupe d''ornement by Eugène Feuillâtre. This exceptional compote features delicate and stylized floral patterns on the upper and lower portions. Green leaves encircle the base of the piece and the sinewy stem of the petite cup appears to grow out of the foliage below, and a spray of pink flowers blooms at the top of the compote. Feuillâtre complimented the deeply rooted organic motifs of his quintessentially Art Nouveau compote by adorning the piece with small green enamel buds on the top and bottom of the stem. This compote is particularly remarkable because it is made almost entirely of plique-à-jour enamel. Eugene Feuillâtre (1870-1916) was a sculptor, enamelist, silversmith and jeweler. He worked for Lalique at the end of the 19th century and established his own firm in 1899, specializing in plique-à-jour decorated objects. He also perfected the technique of enameling on silver and platinum. Provenance: the Collection of Joseph R. Ritman. A nearly identical coupe d''ornement resides in the Musee D''Orsay in Paris.

French Art Nouveau silver and plique-à-jour enamel coupe d''ornement by Eugène Feuillâtre

Bulgari Mid-20th Century Diamond and Platinum Leaf Brooch

An Italian Mid-20th Century platinum brooch with diamonds by Bulgari. The brooch has 24 baguette and 156 round diamonds with an approximate total weight of 10.0 carats, D/E color, VS clarity. The brooch is designed in a dimensional leaf motif.

Bulgari Mid-20th Century Diamond and Platinum Leaf Brooch

Cartier Paris Mid-20th Century Emerald Diamond and Platinum Ring

A French Mid-20th Century platinum ring with emerald and diamonds by Cartier. The ring centers on a round-cut emerald with an approximate weight of 3.62 carats, and 30 round and baguette cut diamonds with an approximate total weight of 1.75 carats. The emerald is certified by the SSEF Laboratory, Certificate #58514 stating the emerald is of Colombian origin, moderate traditional oil treatment. Ring size 6; this ring can be sized.

Cartier Paris Mid-20th Century Emerald Diamond and Platinum Ring

Retro Diamond, Blue Sapphire and Platinum Flower Earrings

A pair of Retro platinum earrings with sapphires and diamonds. The earrings have 10 oval-cut sapphires with an approximate total weight of 3.20 carats, and 36 square-cut and round-cut diamonds with an approximate total weight of 1.00 carat. The earrings are in a floral motif with diamond leaf details. (Posts can be added at purchaser''s request.)

Retro Diamond, Blue Sapphire and Platinum Flower Earrings

Van Cleef & Arpels Paris Late-20th Century Diamond Sapphire and Platinum ''Camélia'' Earrings

A pair of Mid-20th Century platinum "Camélia" earrings with diamonds and blue sapphires by Van Cleef & Arpels. The camellia flower earrings set with 36 sapphires, approximate total weight of 3.60 carats, and 86 round diamonds with an approximate total weight of 3.90 carats, F-G color, VVS-VS clarity. Made in France, sold at Van Cleef & Arpels, New York. These striking flower earrings with highly three dimensional shaping are a modern interpretation of the iconic Asian flower which had so captured the European imagination in the 20th century, According to Évelyne Possémé, head curator at the Musée des Arts Decoratifs, Paris, "At the same time as the Indian influence, a rather more classical vein was still found in earrings such as the Camellia clips, leaves composed of bead and prong-set rubies (and sapphires) and diamonds," Earclips of the same design as these, with rubies and diamonds, are pictured in Van Cleef & Arpels: L''Art De La Haute Joaillerie, by Évelyne Possémé, Les Arts Decoratifs, 2013, page 187. The French love affair with the camellia was sparked around 1800, when Empress Josephine Bonaparte began cultivating them in her palace garden at Malmaison. The conspicuous, opulent flower was quickly adopted by French fashionistas as a corsage ornament signifying love. More than the Empress herself, however, the passionate aficionado of the camellia was the romanti ... c and mysterious Parisian courtesan Marie Du Plessis. While still in her late teens, Du Plessis was widely regarded a woman of beauty, intelligence, and wit. Self educated in literature and philosophy, discreet and private by nature, "La Dame aux Camélias" inspired Alexandre Dumas fils, Franz Liszt, and sundry aristocrats to throw themselves at her feet, and she gathered one of the great intellectual salons of the day at her home in Paris. When she died at just 23 years old, her history was immediately altered by Dumas to fit the old narrative of the fallen woman who redeems herself through self-sacrificing love for a younger man. A recent biographer, delving into the facts of Du Plessis'' brief, exceptional life, demolished most of Dumas'' fictions, but apparently her obsession with the extravagant flower was all too real: an intriguing file of Du Plessis'' rediscovered papers includes "numerous eye-popping bills" from the luxury Parisian florist who satisfied her boundless passion for red and white camellias.

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Van Cleef & Arpels Paris Late-20th Century Diamond Sapphire and Platinum ''Camélia'' Earrings

Van Cleef & Arpels Paris Mid-20th Century Diamond and Gold Earrings

A pair of French Mid-20th Century 18 karat gold and platinum earrings with diamonds by Van Cleef & Arpels. The earrings have 32 round-cut diamonds with an approximate total weight of 1.10 carats, G/H color, VS clarity. The hoop earrings are composed of dimensional overlapping diamond-set and deeply-textured leaves.

Van Cleef & Arpels Paris Mid-20th Century Diamond and Gold Earrings

French Art Deco Diamond, Ruby, and Platinum Dove Brooch

The dove, a symbol of peace, takes on special significance in this dimensional brooch, created in the late 1930s as France and the European continent were headed towards war. It features 306 round diamonds with an approximate total weight of 8.75 carats, with two cabochon ruby accents.

French Art Deco Diamond, Ruby, and Platinum Dove Brooch

David Webb Mid-20th Century Diamond and Platinum ''Waterfall'' Earrings

A pair of American Mid-20th Century platinum chandelier earrings with 52 diamonds by David Webb. The articulated earrings have 22 pear-shape, 10 marquise-cut and 20 round-cut diamonds with an approximate total weight of 24.75 carats, G/H color, VS/SI clarity.

David Webb Mid-20th Century Diamond and Platinum ''Waterfall'' Earrings

Cartier Paris Retro Gold, Diamond and Ruby Covered Watch

A French Retro 18 karat pink gold- and platinum-covered watch with diamonds and rubies by Cartier Paris. The cover of the watch has 14 old European-cut diamonds with an approximate total weight of .56 carat, and 3 calibre-cut rubies with an approximate total weight of .21 carat. The watch has a flexible box-link bracelet. The movement is by Jaeger Le Coultre. With signed Cartier box.

Cartier Paris Retro Gold, Diamond and Ruby Covered Watch

Art Deco Diamond and Platinum Flower Earrings

A pair of French Late Art Deco platinum earrings with diamonds. The earrings have 38 baguette diamonds with an approximate total weight of 3.00 carats, and round diamonds with an approximate total weight of 6.20 carats. The 2 larger round diamonds have approximate weights of 2.35 carats and 2.50 carats, J/K/L color, SI clarity. The approximate total weight of the diamonds is 14.05 carats. The earrings are designed in a stylized Art Deco floral motif.

Art Deco Diamond and Platinum Flower Earrings

Van Cleef & Arpels Mid-20th Century Diamond Ruby Sapphire and Gold "Hawaii" Brooch

A Mid-20th Century 18 karat and platinum gold ''Hawaii'' brooch with diamonds, rubies and sapphires by Van Cleef & Arpels. The brooch has 15 round diamonds with an approximate total weight of 1.35 carats, 10 round rubies with an approximate total weight of 1.00 carat, and 36 round sapphires with an approximate total weight of 4.00 carats. This stylized spray of blossoms and leaves is part of Van Cleef''s celebrated "Hawaii" series, designed as "naive, loose bunches of flowers" meant to capture the post-war spirit of liberation and rejuvenation. With Van Cleef & Arpels Certificate of Authenticity stating: "According to a visual appraisal and to the Van Cleef & Arpels Archives, the item illustrated and described below bearing the engraved numbers NY22818.2...the item illustrated and described has been identified as a Van Cleef & Arpels creation." "A ''Hawaii'' clip set with round diamonds, sapphires and rubies. Mounted in platinum, yellow gold and white gold. 1954."

Van Cleef & Arpels Mid-20th Century Diamond Ruby Sapphire and Gold 'Hawaii' Brooch

Cartier Paris Late-20th Century Diamond Platinum and Gold Bracelet

An 18 karat gold and platinum bracelet with diamonds by Cartier. The flexible woven gold bracelet has 104 round diamonds set in platinum with an approximate total weight of 7.00 carats, F/G color, VS clarity. With signed Cartier box.

Cartier Paris Late-20th Century Diamond Platinum and Gold Bracelet

Chaumet Paris Belle Epoque Diamond and Platinum Festoon Necklace

A French Belle Epoque platinum-topped gold necklace with diamonds by Chaumet. The necklace has old European-cut diamonds with an approximate total weight of 68 carats, H-I-J color, VS/SI clarity. The necklace is designed as a graduated double festoon. The center stone weighs approximately 2.50 carats, with the remaining stones graduating to .20 carat. The house of Chaumet was founded in 1780 by Marie-Etiene Nitot as Nitot et fils. Nitot had begun his career working with Auber, jeweler to Queen Marie-Antoinette. An aristocratic clientele was soon to follow him to his new workshop. A reputation as the "jeweler of the tiara" was earned in those early commissions when Nitot created the coronation crown for Napoleon. Napoleon wanted to make his family transcendent and saw jewels as the true symbol of power to be used in displaying his kingly authority. Empress Josephine appeared at the coronation resplendent in a tiara created for her by Nitot, and so it began. A similar festoon necklace is pictured in Chaumet Paris, by Roselyne Hurel and Diana Scarisbrick, Paris musées, 1998, page 95, Plate 128.

Chaumet Paris Belle Epoque Diamond and Platinum Festoon Necklace

French Gold and Platinum Ring with Diamonds by Van Cleef & Arpels

A French Mid-20th Century 18 karat gold and platinum ring with diamonds by Van Cleef & Arpels. The ring has 27 round-cut diamonds with an approximate total weight of 2.30 carats with a VS clarity and G-H color grade.

French Gold and Platinum Ring with Diamonds by Van Cleef & Arpels

Art Deco Diamond Onyx and Platinum Dress Set

An Art Deco circular-shaped platinum dress set with double-sided cuff links and matching studs, featuring a white hardstone center, faceted black onyx on the outside edge and Old European-cut diamond center accents. 3 Studs with maker''s mark for Larter & Co.

Art Deco Diamond Onyx and Platinum Dress Set

Blue Sapphire, Diamond and Platinum ''Halo'' Ring

An estate platinum cluster ring with blue sapphire and diamond. The ring has an oval blue sapphire weighing 5.08 carats, and 50 round-cut diamonds with an approximate total weight of 1.02 carats with a G-H color and VS clarity. The ring is composed of two diamond set rings surrounding the center sapphire. Gemological Institute of America Certificate #119003864859 stating that the sapphire is from Ceylon and displays no indications of heating.

Blue Sapphire, Diamond and Platinum ''Halo'' Ring

Edwardian Platinum Topped Gold Sautoir Necklace

An Edwardian platinum sautoir necklace with diamonds and seed pearls. The necklace is comprised of a chain with five rows of seed pearls, interspersed with complex decorative filigree work and studded with diamonds. It has a hanging pendant encrusted with diamonds, cut with open work and replete will delicate millgraining. The piece has 235 old mine- and rose-cut diamonds with an approximate total weight of 5.50 carats, including the chain. The center of the pendant is one old European-cut diamond with an approximate total weight of .75 carat.

Edwardian Platinum Topped Gold Sautoir Necklace

Art Deco Diamond Onyx and Platinum Bow Brooch

An Art Deco platinum brooch with onyx and diamonds. The brooch has 82 calibre-cut onyx stones with an approximate total weight of .40 carat, and 49 Old European-cut diamonds with an approximate total weight of 1.45 carats. The brooch is designed as a dimensional tied ribbon bow with an open work gallery in a stylized Art Deco motif.

Art Deco Diamond Onyx and Platinum Bow Brooch

Sapphire and Diamond Earrings

A pair of Mid-20th Century platinum earrings with sapphires and diamonds. The earrings have 12 cabochon sapphires with an approximate total weight of 11.00 carats, and 68 baguette-cut diamonds with an approximate total weight of 4.20 carats with a VS clarity and H/I color grade.

Sapphire and Diamond Earrings

French Belle Epoque Diamond, Pearl, Platinum and Paillet Enamel Watch Necklace

A French Belle Epoque 18 karat gold, platinum, diamond, pearl and Paillet enamel pendant watch necklace. The pendant watch has 26 old European-cut diamonds with an approximate total weight of 1.05 carats, 70 rose-cut diamonds with an approximate total weight of .70 carat, and 28 seed pearls. The back of the pendant has a Paillet enamel depicting putti, Aphrodite with doves in hand and Pandora. It can be counted as an example of the virtuoso enameling Paillet is known for. The platinum chain is composed of 4 diamond-set plaques. Similar pictured in Boucheron Le Joaillier Du Temps, by Gilles Neret, Conti, 1992, pages 49-50.

French Belle Epoque Diamond, Pearl, Platinum and Paillet Enamel Watch Necklace

Belle Epoque Garnet, Blue Sapphire, Golden Sapphire, Diamond, Platinum and Gold Lavaliere

A Belle Epoque platinum and 14 karat gold lavaliere necklace with bezel-set garnet, yellow sapphire, blue sapphire and diamonds. The diamond-set platinum chain necklace suspends a cushion-shape red garnet with an approximate weight of 5.50 carats, an oval blue sapphire with an approximate weight of 5.75 carats, an oval cushion yellow-orange sapphire with an approximate weight of 5.50 carats, and rose and Old European cut diamonds with an approximate total weight of 1.30 carats. With original signed "Peter Rath Munchen" fitted box.

Belle Epoque Garnet, Blue Sapphire, Golden Sapphire, Diamond, Platinum and Gold Lavaliere

Art Deco Diamond and Ruby Bombé Ring

An Art Deco platinum ring with diamonds and rubies. The ring has 50 round diamonds with an approximate total weight of 1.20 carats, 3 square-cut diamonds with an approximate total weight of .90 carat, and 22 French-cut rubies with an approximate total weight of .30 carat. The ring is designed in a stack ring bombé motif.

Art Deco Diamond and Ruby Bombé Ring

Edwardian Diamond Drop Earrings

A pair of Antique platinum drop earrings with diamonds. The earrings have a delicate graduating drop of four stones and a delicate downward-facing leaf motif garnishing the top of a dramatic tear drop housing a 2.00 carat old European-cut diamond. The earrings have approximately 5.5 carats of diamonds in total. Try

Edwardian Diamond Drop Earrings

Van Cleef and Arpels Diamond Ring

A ring with diamonds set in platinum by Van Cleef & Arpels. The ring has a 22 baguette diamonds and 143 round brilliant diamonds, all of which have an approximate total weight of 10.60 carats. The bombé ring has three traditional raised boules striated with bands of baguette-cut stones.

Van Cleef and Arpels Diamond Ring

Bulgari Emerald, Diamond & Platinum Trombino Ring.

An Italian Early-21st Century platinum ring with diamonds and emerald by Bulgari. This ring centers on a Colombian emerald-cut emerald with an approximate weight of 2.60 carats. It measures approximately 9.80 mm by 9.18 mm by 4.15 mm. Insignificant to minor traditional treatment. The setting is designed with 66 round-cut and 10 baguette-cut diamonds that have the approximate total weight of 3.15 carats. American Gemological Report 1083510 Colombian minor clarity treatment.

Bulgari Emerald, Diamond & Platinum Trombino Ring.

Gold and Diamond Tank Bracelet by Cartier

An English Mid-20th Century 18 karat gold and platinum bracelet with diamonds by Cartier. The bracelet is comprised of textured gold links and diamond-encrusted raised platinum joints. The piece has a total of 126 round-cut diamonds with an approximate total weight of 4.20 carats. With original Cartier box.

Gold and Diamond Tank Bracelet by Cartier

Gold and Platinum Brooch with Diamonds by Tiffany & Co.

A Mid-20th Century 18 karat gold and platinum brooch with diamonds by Tiffany & Co. The flower brooch has six unique, blooming petals studded with diamonds and framed with textured gold. The piece has 73 round-cut diamonds with an approximate total weight of 5.00 carats with a F/G color and VS clarity grade.

Gold and Platinum Brooch with Diamonds by Tiffany & Co.

Cartier Paris Retro Diamond Ruby and Gold Ring

A French Retro 18 karat yellow gold and platinum ring with diamonds and rubies by Cartier. The ring has 14 round-cut diamonds with an approximate total weight of .56 carats, and 3 rectangular-cut rubies with an approximate total weight of .21 carats.

Cartier Paris Retro Diamond Ruby and Gold Ring

Van Cleef & Arpels Diamond, Platinum and Gold "Angel Hair" Necklace

A French Mid-20 Century 18 karat gold and platinum "Angel Hair" necklace with diamonds by Van Cleef & Arpels. The necklace has 26 round-cut diamonds with an approximate total weight of 2.10 carats. The "Angel Hair" necklace is designed as a highly flexible tapered band of gold fringe enhanced by a circular-cut diamond cross-over front detail. Pictured in Jewelry of the 1940''s and 1950''s, by Sylvie Raulet, Rizzoli, 1988, page 172.

Van Cleef & Arpels Diamond, Platinum and Gold 'Angel Hair' Necklace

Gold and Platinum Maple Leaf Brooch with Diamonds

An Antique 18 karat gold and platinum-topped gold brooch with diamonds. The open maple leaf motif has delicate diamond accents down the center stem, and three stunning round old European-cut diamonds with an approximate total weight of 0.95 carats hanging dynamically from the piece. The 30 rose-cut diamonds have an approximate total weight of .30 carat.

Gold and Platinum Maple Leaf Brooch with Diamonds

French Retro Gold and Platinum, Diamond and Sapphire Necklace

A French Retro 18 karat gold and platinum necklace with diamonds and sapphires. The necklace has 74 round-cut diamonds with an approximate total weight of 3.75 carats, and 66 calibre-cut sapphires with an approximate total weight of 5.50 carats. The necklace is designed with stylized twisted gold leaves interspersed with a row of diamonds alternating with a row of sapphires. The front of the necklace is suspended by two woven gold chains with a twisted leaf motif clasp.

French Retro  Gold and Platinum, Diamond and Sapphire Necklace

Art Deco Diamond and Ruby Ring

An Art Deco platinum and 14 karat gold ring with diamonds and rubies. The ring is designed in a classic platinum-on-gold plaque motif, with the 3 larger diamonds architecturally framed by a middle halo of ruby, which is further accented with a ring of Old European-cut diamonds. The ring has 3 old European-cut diamonds with an approximate total weight of .60 carat, 34 rose-cut diamonds.with an approximate weight of .34 carat and 25 calibre-cut rubies with an approximate total weight of .25 carat. The ring shank is later

Art Deco Diamond and Ruby Ring

Tiffany Studios New York Favrile Glass and Bronze "Harp" Floor Lamp

A Tiffany Studios New York "Harp" floor lamp with patinated bronze base and green blown-glass "Damascene" shade. This "Damascene" floor lamp is composed of a transparent green, "Dychroide" glass and iridized glass decoration. Of particular note is the complexity of the iridization on the lamp that uses two distinct metallic oxides applied in two different techniques. Initially, a shell of transparent green glass was blown onto a core of opaque white glass core, forming the lamp''s white interior and thin transparent green exterior. Subsequently, "Dychroide" glass was carefully trailed twenty-nine times around the form. This particular variety of "Dychroide" glass, an innovation by Arthur J. Nash, production manager at Tiffany Furnaces, has the unique quality of appearing green in reflected light and amber in transmitted light. This innovation gives a dynamic quality to Tiffany''s lamps that proved to be a true unification of form and function. When lit, the amber of the "Dychroide" glass causes the green to perceptually vibrate, further amplifying the effect of radiation in the lamp. The network of threads was subsequently marvered into the glass and evenly iridized with gold metallic oxides in the top half of the lamp and platinum metallic oxides in the bottom half of the lamp. Gold metal oxides that transition into strokes of platinum metallic oxides were then painted o ... bliquely around the form. The piece was then blown and tooled into a dome shape. Evidence that the glass was first iridized then blown can be found in the subtle craquelure of the iridescence towards the base of the lamp. The double iridization creates a high luster and an added depth to the piece. A comb with twenty-nine teeth (equivalent to the number of "Dychroide" glass trails) was evenly raked through the semi-molten glass. The combing was purposefully offset from the trails so that they could still be seen in the final wave pattern. The green trails without "Dychroide" threads transmit the most light, creating a vivid amber starburst pattern when lit. The lamp shade is surmounted by a cast bronze aperture ring with three ball screws and a liliform heat cap, terminating in a ball-shaped finial. The ventilation holes in the heat cap are subtly concealed by the five petals of the flower. The heat cap holds a light bulb and pull chain that terminates in an acorn pendant. The heat cap is supported on both sides by a harp with two component parts, a double ogee shoulder, and a single ogee base. The two parts of the harp are held together with a pin that allow the user to change the position of the light if they so wish. This mechanism is fitted with rosette motif side knobs that beautifully complement the liliform socket holder. The base of the harp splays into petals, connecting to the globular molding of a five-foot stem which swells, tapers, reswells, straightens, then reswells at the base. The stem is supported by five dartform feet. The cast bronze stem, harp, and base all have acid etched finishes giving them a red-speckled green patina. A similar base and shade are pictured separately in: "Tiffany Lamps and Metalware: An illustrated reference to over 2000 models," by Alastair Duncan, Woodbridge: Suffolk: Antique Collectors'' Club, 1988. Shade: p. 211, plate 827; base: p. 210, plate 821.

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Tiffany Studios New York Favrile Glass and Bronze 'Harp' Floor Lamp

Art Deco Platinum-set Diamond and Sapphire Ring

An Art Deco platinum-set diamond and sapphire ring. The ring prominently features a cabochon untreated Ceylon sapphire of 15.36 carats that has an AGL certificate. Twenty-two round diamonds and 2 beautiful baguettes accent the shank in an architectural Deco style arrangement on either side of the stunning sapphire. The diamonds have the approximate total weight of .40 carat. Size 7. AGL certificate 1094663. Its depth of color, rarity and hardness have made sapphires among the most sought-after and highly celebrated stones in both modern and ancient history. The religious rulers of ancient Persia believed the sky was painted blue via a reflection of the highly-prized sapphire stone, while ancient Western lore holds that the ten commandments were first written as carvings into a sapphire rough. The Catholic church adopted the sapphire as the ecclesiastical stone of choice in the 12th Century, and royalty from King Solomon to Prince Charles have employed the stone in the making of rings of great significance. The Sinhalese of Sri Lanka, where this particular stone originates, believed sapphires had talismanic properties. A sapphire stone was given by the Sinhalese people to the British explorer Sir Richard Francis Burton, who carried it with him until his death, and famously accredited much of his good fortune to the stone''s supposed power.

Art Deco Platinum-set Diamond and Sapphire Ring

Platinum and Diamond Hoop Earrings

A pair of Mid-20th Century platinum and diamond hoop earrings. The compressed hoop of the earring features a beautiful interplay of round- and baguette-cut diamonds arranged to give the appearance of being strung on three braided, interlocking bands. There are a total of 60 round diamonds with an approximate weight of 3.20 carats, and 40 baguette-cut diamonds with an approximate weight of 3.60 carats. VS clarity and H/I color grade.

Platinum and Diamond Hoop Earrings

Three Stone Platinum Ring with Diamonds

A Late-19th Century three-stone platinum ring with diamonds. The ring has one old European-cut diamond with an approximate total weight of 1.60 carats, one old European-cut diamond with an approximate total weight of 1.30 carats, one old European-cut diamond with an approximate total weight of 1.20 carats, and 10 single-cut diamonds with an approximate total weight of 0.05 carats. Adjustable shank.

Three Stone Platinum Ring with Diamonds

1940''s Diamond Fan and Tassel Earrings by Faraone

A pair of Italian Mid-20th Century platinum earrings with diamonds by Faraone. The earrings have 40 baguette-cut diamonds with an approximate total weight of 3.40 carats, and 76 round-cut diamonds with an approximate total weight of 5.30 carats. They have a VS clarity and F/G color grade.

1940''s Diamond Fan and Tassel Earrings by Faraone

Edwardian Ring featuring Pearls and Diamonds

An Edwardian ring featuring two pearls and 22 diamonds set in platinum, with an 18 karat gold shank. The two pearls, which stack up the finger, are elegantly framed by a naturalistic motif echoing the form of a clover made of pear-cut diamonds. The ring is further accented by leaf-like scroll forms studded with old European-cut stones in refined Edwardian brilliance. The diamonds have an approximate total weight of 1.5 carats.

Edwardian Ring featuring Pearls and Diamonds

Lucien Gautrait and Leon Gariod French Art Nouveau Diamond Enamel Platinum and Gold Bracelet

A French Belle Epoque 18 karat gold and platinum bracelet with diamonds designed by Lucien Gautrait for Leon Gariod. The bracelet has 5 old European-cut diamonds with an approximate total weight of 0.90 carat set into 6 openwork wheat- and foliate-decorated plaque links. The 3 larger links are enameled and heavily decorated.

Lucien Gautrait and Leon Gariod French Art Nouveau Diamond Enamel Platinum and Gold Bracelet

Platinum Necklace with Diamonds

An Early-20th Century platinum necklace with diamonds. The necklace has 5 large Old European-cut diamonds ranging in size from smallest to largest at 0.82 carats 0.82 - 1.00 - 1.00 - 1.11 - 1.16 carats, 443 Old European-cut and round diamonds with an approximate total weight of 18.74 carats, 10 trapazoid-cut diamonds with an approximate total weight of 1.20 carats, 8 French-cut diamonds with an approximate total weight of 1.60 carats, and 10 baguette diamonds with an approximate total weight of 1.40 carats. The necklace overall measures 16" in length, and may be converted to a choker necklace at 13.25", or or to two bracelets at 6.75" each.

Platinum Necklace with Diamonds

Art Deco Diamond and Natural Pearl Lavalier Necklace

A platinum Art Deco lavalier necklace with diamonds and pearls. The lavalier pendant and tapered plaques have 117 round old European-cut diamonds with an approximate total weight of 3.00 carats and 2 natural saltwater pearls which hang from the diamond set plaques designed in a classic Art Deco motif. The natural white pearl measures 10.1 x 9.4 mm and the dark gray natural pearl measures 8.8 x 8.6 mm. The necklace has 376 seed pearls connected with a platinum chain weave. Gemological Institute of America report #6173345278.

Art Deco Diamond and Natural Pearl Lavalier Necklace

Charm Bracelet by Cartier

A two-tone bracelet in platinum and 18 karat yellow gold with charms by Cartier. The bracelet has five charms, a sapphire and diamond horseshoe, a diamond accented wrench, a pair of fully-articulated scissors, a house with emerald and sapphire accents and an affixed carved ruby tree, and a sapphire and emerald charm in a decorative motif. Collectively, the piece contains blue sapphires with an approximate total weight of .40 carat, emeralds with a total weight of .10 carat, a ruby with an approximate total weight of .6 carat and diamonds with a total weight of 0.75 carat.

Charm Bracelet by Cartier

Cartier Paris Mid-20th Century Diamond, Sapphire and Platinum ''Panthère'' Brooch

A French Mid-20th Century platinum brooch with diamonds, sapphires, and emeralds by Cartier Paris. The brooch has pavé round-cut diamonds with an approximate total weight of 4.30 carats, a cabochon sapphire with an approximate weight of 4.70 carats, 44 cabochon sapphires with an approximate total weight of .88 carat, and 2 cabochon emerald eyes. Signed Cartier box. Note: A Cartier legend, the designer Jeanne Toussaint was a creative spirit at Cartier Paris for almost 40 years. Born in the late 19th century, Jeanne rose from almost inconceivably difficult circumstances of poverty and abuse to an influential position as a woman of style and intelligence. "PanPan" was the nickname given to her in honor of the elegant and fiercely independent nature associated with the wild panther itself. Winning the support and trust of Louis Cartier and the women tastemakers who were the firm''s most important clients, Jeanne led the Maison to success after success, guiding it through its most challenging periods. For the legendary Duchess of Windsor, she created one of her great "Panthere" jewels, a diamond-pavé, onyx-spotted feline perched on a giant Kashmir sapphire. Jeanne had not sought her client''s approval first - she was confident that the Duchess would buy it on the spot, and she did. The "Panthere" design, a byword for the spirit of Jeanne Toussaint, has remained one of the firm''s ... most enduring symbols, embodied in this amusing rendition of the big cat playing with a sapphire ball. / "In 1914 Louis Cartier commissioned French painter George Barbier to draw a lady with jewels and a panther. The artwork was later used in advertising, and Cartier was inextricably linked with the symbol of this animal. Louis Cartier was the pioneer in taming the legendary creature and his associate Jeanne Toussaint went on to make magnificent use of the icon. The panther has since inspired timeless and elegant collections of jewelry and timepieces that show the multiple facets of the animal that can be at times bold, regal or sensual." -- "Amazing Cartier", by Nadine Coleno, Flammarion, 2008, p. 72.

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Cartier Paris Mid-20th Century Diamond, Sapphire and Platinum ''Panthère'' Brooch

Platinum Line Bracelet with Diamonds

A Mid-20th Century platinum line bracelet with diamonds. The bracelet has 50 square cut diamonds with an approximate total weight of 15.00 carats with a VS clarity and F/G color grade.

Platinum Line Bracelet with Diamonds

Pearl and Amethyst Diamond Accented Earrings

A pair of Art Deco platinum earrings with diamonds, amethysts and natural pearl tassels. The natural pearl tassel earrings are topped with 4 amethyst beads and 112 Old European-cut diamond-studded roundels that have the approximate total of 1.64 carats. The rich color of the amethyst is offset beautifully in this piece by the luster of the natural pearls, as the architectural heads of the earrings are complemented by the movement of the lower tassels.

Pearl and Amethyst Diamond Accented Earrings

Art Deco Platinum Ring with a Baroque Pearl and Diamonds

An Art Deco platinum ring with a baroque pearl and diamonds. The ring has 56 round diamonds with an approximate total weight of 0.60 carats and 2 marquise-cut diamonds with an approximate total weight of 1.00 carats. The baroque pearl mounted in the center measures approximately 11.5 mm. The flexible shank is designed with interlocking bezel-set diamonds.

Art Deco Platinum Ring with a Baroque Pearl and Diamonds

Gold and Platinum Earrings with Sapphires, Diamonds and Corals by David Webb

Welcome to the sweet spot of summer! In the spirit of "Everyday Revelry", let David Webb''s luscious earclips and their oversize gumdrop charm transport you to the carefree days of childhood. Indulge guilt-free in these candy totems, crafted of precious, exquisitely-carved coral and sapphire, sprinkled with diamond sugar. A pair of contemporary 18 karat gold and platinum earrings with sapphires, diamonds and coral by David Webb. Each earring centers one fluted carved cabochon sapphire measuring 11.95 X 10.00 mm, surrounded by a total of 40 round brilliant-cut diamonds with an approximate total weight of 0.90 carats, accented by fluted carved corals, with the earrings overall measuring 25 x 22.5 mm. Accompanied by original David Webb box.

Gold and Platinum Earrings with Sapphires, Diamonds and Corals by David Webb

John Rubel Ruby, Diamond, Turquoise Clip Brooch and Earrings Suite

An American mid-20th century 18 karat Retro gold brooch and earrings suite with rubies, diamonds and turquoise by John Rubel. The brooch is an openwork bloom comprised of large gold loops studded with accenting rubies that expertly play with the negative space. Three raised clusters of turquoise and ruby, each centering on a diamond, make up the center of the bloom, while matching clusters make up the earrings. The brooch has 88 round-cut rubies with an approximate total weight of 5.85 carats, 3 round-cut diamonds with an approximate total weight of .95 carat, and 69 cabochon turquoise. The earrings have 10 round rubies that have the approximate total weight of 1.60 carats and 5 round diamonds with the approximate total weight of .60 carat. With original box. The Retro jewelry period took place directly before and during World War II. As a reaction to the dire world conflict, jewelry became bolder, brighter, and more light-hearted. Unlike the Art Deco style, Retro jewelry has soft curves and feminine motifs, set off against the severe silhouettes of women''s war-time wardrobes. Gold regained popularity, as platinum was essential to the war effort and scarcely available for commercial use. Different colors of gold, such as yellow, rose, and green, were used in striking combinations. Popular gemstones including non-traditional stones, such as turquoise, were suddenly in vogu ... e, and were used widely, as they are beautifully employed in this suite. Patriotic themes were also popular, and blue stones and rubies were often paired together with diamonds and open work to convey a message of patriotism. Three-dimensional sculptural ribbons, bows, and folds made out of metal were common, as they conveyed a sense of victory and celebration that all were hoping for.

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John Rubel Ruby, Diamond, Turquoise Clip Brooch and Earrings Suite

Art Deco Emerald, Diamond and Platinum Ring

An Art Deco platinum ring with emerald and diamonds. The ring centers on an emerald-cut emerald with an approximate weight of 3.37 carats, framed with round and baguette cut diamonds with an approximate total weight of .60 carat. American Gemological Laboratory report stating that the stone is of Colombian origin with minor treatment. Report No. CS567792.

Art Deco Emerald, Diamond and Platinum Ring

Art Deco Emerald, Ruby, Sapphire and Diamond Brooch

An Art Deco plaque platinum brooch with emeralds, rubies, sapphires and diamonds around a central window with a rock crystal bottom on which pheasant and vegetal forms stand out as glycine. The plant forms and the bird are made with emeralds, rubies yellow and blue sapphires and calibrated rubies. These are based on a pavé of diamonds, with the window framed in an oval of diamonds with chatons and a fan at the bottom. The sides of the brooch are made with rubies, emerald and faceted onyx sapphires and set in cells, each one of them in a unique way, simulating a stained glass window. Vegetal forms of diamonds are applied on it. Approximate total weight of diamonds: 4.80 carats. Total approximate weight of colored stones: 4.00 carats.

Art Deco Emerald, Ruby, Sapphire and Diamond Brooch

Retro Emerald, Diamond and Platinum Buckle Ring

A Retro platinum ring with emeralds and diamonds. The ring has 9 emeralds with an approximate total weight of 4.40 carats, 4 round diamonds with an approximate total weight of .30 carat, and 8 baguette diamonds with an approximate total weight of 1.20 carats. The ring is designed in a stylized buckle motif.

Retro Emerald, Diamond and Platinum Buckle Ring

Boucheron Paris Mid-20th Century Diamond, Platinum and Gold Bombè Ring

A French Mid-20th Century 18 karat gold and platinum bombé ring with diamonds by Boucheron. The ring has 38 round-cut diamonds with an approximate total weight of 7.65 carats, H/I color, VS clarity and 20 baguette-cut diamonds with an approximate total weight of 2.00 carats, H-I color, VS clarity.

Boucheron Paris Mid-20th Century Diamond, Platinum and Gold Bombè Ring

Van Cleef & Arpels Mid-20th Century Diamond and Gold Modernist Brooch

A French 18 karat gold, platinum and diamond brooch by Van Cleef & Arpels. The brooch has 23 round-cut diamonds with an approximate total weight of 2.30 carats, G/H color, VS clarity. The brooch is designed in a modernist motif of ''krinkled'' hammered gold, with one section of the brooch platinum and diamond-set.

Van Cleef & Arpels Mid-20th Century Diamond and Gold Modernist  Brooch

Boucheron Ruby and Diamond Earrings

A pair of diamond and ruby earrings set in platinum and 18 karat gold by Boucheron. The earrings are housed in their original box from the mid-20th century. They center on a semicircular raised cluster of 32 remarkably well matched round-cut rubies, with the total approximate weight 4.60 carats, surrounded by 30 round brilliant and 16 marquise-cut diamonds, approximate total weight 6.10 carats. The House of Boucheron was founded in 1858 by the young entrepreneur M. Frederic Boucheron, whose charming, generous nature and taste for daring design and superb gems attracted both the aristocracy and celebrities to his Paris salon. These bombé earclips, each composed of a tightly-set cluster of brilliant, rich red rubies within a scintillating diamond surround, represent a modern example of this classic French jeweler''s art.

Boucheron Ruby and Diamond Earrings

Edwardian Diamond, Ruby, Platinum and Gold ''Navette'' Ring

An Edwardian platinum and 18 karat gold ring with rubies and diamonds. The ring has 52 square-cut rubies with an approximate total weight of 1.65 carats, and 46 round diamonds with an approximate total weight of .75 carat. The Navette shaped ring is topped with a diamond-set flower in the field of rubies framed with diamonds.

Edwardian Diamond, Ruby, Platinum and Gold ''Navette''  Ring

Art Deco Platinum, Diamond, and Enamel Jabot Pin

A French Art Deco platinum, diamond and enamel jabot pin designed in a floral motif with flowers at each end, set with 100 old European-cut diamonds with an approximate total weight of 2.90 carats, and black enamel forming the two flowers. This type of brooch, usually long and vertically shaped, consists of a single central pin with two decorative ornaments at either end. The lower ornament, which either clicks or screws into place, is detachable, allowing the connecting pin to be slipped through the garment. When fastened, the pin is invisible, so the two ornaments seem to float on the fabric. In the 1920''s and 1930''s, Cartier was famed for its jeweled jabots, which it called cliquet pins or brooches (named for the "click" made when the detachable ornament is snapped on to the pin). Exhibited at "Anything Goes: The Jazz Age" at the Nassau County Museum of Art, 24 March 2018 - 8 July 2018.

Art Deco Platinum, Diamond, and Enamel Jabot Pin

Tiffany & Co. Art Deco Diamond, Ruby, Emerald and Platinum Watch/Brooch

An American Art Deco platinum and enamel watch/brooch with diamonds, rubies and emeralds by Tiffany & Co. The watch/brooch has 215 round-cut diamonds with an approximate total weight of 4.65 carats, and 14 baguette diamonds with an approximate total weight of 1.00 carat, 20 square-cut diamonds with an approximate total weight of .90 carat, 6 cabochon rubies and 1 carved bead ruby with an approximate total weight of .52 carat and 11 cabochon and calibre-cut emeralds with an approximate total weight of .33 carat. "The style for decorative arts of the 1920''s was streamlined; form was reduced to basic geometry and the color palette was made strong and bold as opposed to the delicate pastels that were fashionable in the decades before the war. This trend became solidly established at the 1925 Paris Exposition des Arts Décoratifs, Industriels et Modernes, where visitors were electrified by the explosion of contrasting primary colors, geometric pattern and stylized natural subjects that burst on the scene," Falino and Markowitz. Similar pictured and discussed in American Luxury Jewels from the House of Tiffany, by Falino and Markowitz, editors, Antique Collectors'' Club, 2009, page 144, Plate 91. Exhibited at "Anything Goes: The Jazz Age" at the Nassau County Museum of Art, 24 March 2018 - 8 July 2018.

Tiffany & Co. Art Deco Diamond, Ruby, Emerald and Platinum Watch/Brooch

Van Cleef & Arpels Mid-20th Century Diamond Sapphire and Platinum ''Camilla'' Brooch

A Mid-20th Century platinum brooch with diamonds and blue sapphires by Van Cleef & Arpels. The "Camellia" brooch has 113 round-cut diamonds with an approximate total weight of 10.00 carats, G/H color, VS clarity, and 40 round & oval-cut sapphires with an approximate total weight of 22.00 carats. The sapphires are most likely of Burma origin. "At the same time as the Indian influence a rather more classical vein was still found in earrings such as the Camellia clips (and brooches), leaves composed of bead and prong-set rubies (and sapphires) and diamonds." Evelyne Possémé in the Van Cleef & Arpels exhibition catalogues. Pictured with rubies and diamonds as earrings in Van Cleef & Arpels L''Art De La Haute Joaillerie, by Evelyne Possémé, Les Arts Decoratifs, 2013, page 187.

Van Cleef & Arpels Mid-20th Century Diamond Sapphire and Platinum ''Camilla'' Brooch

Van Cleef & Arpels Mid-20th Century Diamond and Sapphire ''Camellia'' Earrings

A pair of Mid-20th Century platinum "Camellia" earrings with diamonds and blue sapphires by Van Cleef & Arpels. The earrings have 150 round-cut diamonds with an approximate total weight of 6.00 carats, G/H color, VS clarity, and 48 round and oval-cut sapphires with an approximate total weight of 7.70 carats. "At the same time as the Indian influence a rather more classical vein was still found in earrings such as the Camellia clips, leaves composed of bead and prong-set rubies (and sapphires) and diamonds." Evelyne Possémé in the Van Cleef & Arpels exhibition catalogues. Pictured with rubies and diamonds in "Van Cleef & Arpels L''Art De La Haute Joaillerie", by Evelyne Possémé, Les Arts Decoratifs, 2013, page 187.

Van Cleef & Arpels Mid-20th Century Diamond and Sapphire ''Camellia'' Earrings

Trabert & Hoeffer Mauboussin Art Deco Yellow Diamond, Emerald and Platinum Ring

An American Art Moderne diamond, emerald and platinum twinstone ring by Trabert & Hoeffer-Mauboussin. The stepped, high-arched mount set with a yellow cushion-cut diamond weighing approximately 1.75 carats, and an emerald-cut emerald weighing approximately1.65 carats, completed by stepped shoulders and shank of conforming design. Formed in 1935, Trabert Hoeffer-Mauboussin was a merger between Mauboussin Paris'' Park Avenue branch and an innovative American firm, Trabert & Hoeffer, a Manhattan partnership whose stylish owners had Hollywood connections and a tendency to splurge on world-famous gems for display. Howard Hoeffer, a proponent of French jewelry design who sent his artisans to Paris for training, had cultivated Georges Mauboussin from the early 1920''s, even before the French firm won a Grand Prize at the Grand Central Palace Exhibition in 1924. By the mid 1930s, the Depression had brought both firms to the brink of bankruptcy, struggling with large inventories of superb jewelry and gems of historic provenance. From 1935 to 1940, the firms collaborated to produce and loan high style jewels and large gems to the Hollywood studios. The period''s iconic photo portraits of Marlene Dietrich and Claudette Colbert, among others, show these eternal stars adorned in the firm''s stunning Art Moderne masterpieces. A product of that early collaboration, this twin stone pla ... tinum ring, with its classic pairing of emerald and yellow diamond, is a mini-masterpiece of Machine Age design and construction. Dense, streamlined, and perfectly balanced, it is a chic statement of French-American style.

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Trabert & Hoeffer Mauboussin Art Deco Yellow Diamond, Emerald and Platinum Ring

Belle Epoque Tennis Brooch with Ruby Diamond and Pearl

An Edwardian 18 karat gold and platinum brooch with rubies, diamonds and pearls. The fetching sporting brooch features two tennis rackets, cleverly executed in both platinum and gold for various parts of their hardware, and studded with diamonds and rubies on their respective handles. The brooch comes with two delicate pearls that serve as the tennis balls these rackets would naturally seek. The rose cut diamonds have an approximate total weight of .12 carat and the calibre-cut rubies have the approximate total weight of .20 carat.

Belle Epoque Tennis Brooch with Ruby Diamond and Pearl

Sterlé Diamond and Platinum Double Clip/Brooch

A pair of French Mid-20th Century platinum double clips/brooches with diamonds by Pierre Sterlé. The pair of double clips/brooches have 140 round-cut and 118 rectangular-cut diamonds with an approximate total weight of 27.30 carats. They have a G/H color and VS clarity grade. Illustrated in Sterlé Joaillier Paris, by Viviane Jutheau, 1990, in ''Les Broches'' section.

Sterlé Diamond and Platinum Double Clip/Brooch

Van Cleef & Arpels Diamond & Ruby Flower Cluster Ring

An American platinum ring with diamonds and rubies by Van Cleef & Arpels. The ring has 40 round brilliant-cut diamonds with an approximate total weight of 6.00 carats,with 8 round rubies, with the approximate total weight of .80 carat, as an accent of color. The delicate clusters are reminiscent of sparkling blooms with ruby red centers.

Van Cleef & Arpels Diamond & Ruby Flower Cluster Ring

Mid-20th Century Blue Sapphire, Diamond and Platinum ''Moi et Toi'' Ring

A Mid-20th Century platinum, diamond and blue sapphire moi et toi ring. The classic crossover ring has a round-cut diamond with an approximate weight of .75 carat, H/I color, VS clarity, and a rectangular-cut sapphire with an approximate weight of 1.35 carats. American Gemological Laboratory Certificate #CS 64002 stating that the sapphire is from Burma and is not treated.

Mid-20th Century Blue Sapphire, Diamond and Platinum ''Moi et Toi'' Ring

A Pair of Multi-Gemstone Brooches by Rene Boivin

A set of two of French Art Deco 18 karat gold "lilac-leaf" clip brooches,the larger set with oval-cut green tourmalines, yellow heliodor beryls, yellow-gray beryls and aquamarines, highlighted by a single-cut diamond stem set in platinum, the second set with circular and oval-cut pink tourmalines, pale amethysts, and green tourmalines, both with medium-relief naturalistic modeling, by René Boivin. Executed under the leadership of famed Boivin designer Juliette Moutard, these spectacular pieces are as significant in the history of high jewelry as they are beautiful. These elegant brooches demonstrate the height of Moutard''s particular style: the refined, geometrically-rendered organic shape of the lilac leaf, the sensitive and masterful employment of color gradation, and the interplay of complementary shapes are all hallmarks of Moutard''s work for Boivin. The brooches have oval-cut tourmalines, green and yellow beryl, which together have and approximate total weight of 42.25 carats; aquamarines with an approximate total weight of 17.00 carats; and 30 single-cut diamonds with an approximate total weight of .70 carat. With authenticity report from expert Francoise Cailles. Boivin''s work is a remarkable exception to many of the presiding trends of the 1930s. For one, the house eschewed the stark, monotonous, and highly geometric Art Deco stye. While other firms continued ... to churn out architecturally clean designs in diamond and platinum, Boivin maintained their commitment to celebrating color and the organic forms of the natural world. Also notable, and unusual for the time, is that Boivin was an all-female led firm. After the premature death of René Boivin in 1917, the firm would be led until its dissolution by his widow, Jeanne Boivin, and a host of brilliant female designers, among them Suzanne Belperron, Juliette Moutard and Germaine Boivin,

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A Pair of Multi-Gemstone Brooches by Rene Boivin

Retro Bangle Bracelet by Cartier

An 18 karat gold, platinum and diamond Retro bangle bracelet by Cartier. The central motif of foliate design, surrounds a European-cut diamond weighing approximately 2.50 carats. It can be worn as a brooch or hinged on the bracelet. Some of the petals are pavé-set with diamonds while others are highlighted by baguette diamonds. Mounted in 18 karat yellow gold. The brooch signed Cartier London, J.C. and numbered 9874, the bangle signed J.C. and numbered 9874. The piece has 200 diamonds with an approximate total weight of 19.20 carats; the center diamond being 2.50 carats in approximate total weight. A similar bracelet is pictured in "Amazing Cartier" by Nadine Coleno, page 107.

Retro Bangle Bracelet by Cartier

"Sombrero" Brooch by Schlumberger

A Mid-20th Century 18 karat gold and platinum "Sombrero" brooch with diamonds and sapphires by Schlumberger for Tiffany and Co. The brooch has round brilliant-cut diamonds with an approximate total weight of 2.95 carats, and round- and oval-cut sapphires with an approximate total weight of 12.00 carats. Made in France, with French assay and maker''s marks

'Sombrero' Brooch by Schlumberger

Stylized Flower Bouquet Brooch by Cartier

A French Retro 18 karat gold, platinum and diamond clip brooch, Monture Cartier. The brooch is designed as a stylized ropetwist floral spray with diamond blossoms and gold leaves, highlighted by 21 Old European-cut and cushion-shaped diamonds, approximate total weight 5.00 carats, suspending a ropetwist tassel with acorn pendant. The diamonds have a VS/SI clarity and H/I color grade. Mounted in 18 karat gold and platinum. The clip brooch was manufactured by the Cartier workshop Dubois, who produced some of the most remarkable pieces of "tutti fruitI" and other Indian inspired jewelry for the firm.

Stylized Flower Bouquet Brooch by Cartier

Platinum and Aquamarine Late Art Deco Brooch by Cartier

A French late Art Deco platinum brooch with diamonds and aquamarine by Cartier Paris. The brooch has 80 round, square and baguette-cut diamonds with an approximate total weight of 5.90 carats, centering on a hexangular aquamarine with an approximate total weight of 35.20 carats.

Platinum and Aquamarine Late Art Deco Brooch by Cartier

Platinum Bracelet with Diamonds, Lapis Lazuli Crystal and Black Enamel

A platinum and black enamel bracelet with diamonds, lapis lazuli and crystal. The strongly designed bracelet features alternating diamond accented crystal frames that display an open feature or diamond studded frames that hold columns of lapis lazuli beads topped with rounded black onyx beads. The bracelet has 256 diamonds with an approximate total weight of 5.90 carats, 12 lapis lazuli column beads, 32 round black onyx beads, and 4 crystal squares.

Platinum Bracelet with Diamonds, Lapis Lazuli  Crystal and Black Enamel

Platinum, Sapphire and Diamond Flower Earrings

A pair of Mid-20th century platinum, sapphire and diamond flower earrings. The floral form earrings are set with 2 rectangular-cut natural untreated sapphires with an approximate total weight of 4.40 carats, framed by petals further enhanced by 20 baguette diamonds with an approximate total weight of .50 carat, and 70 round brilliant-cut diamonds with an approximate total weight of 3.50 carats.

Platinum, Sapphire and Diamond Flower Earrings

Mauboussin Art Deco Turquoise, Chalcedony, Diamond and Black Enamel

An Art Deco platinum necklace with turquoise, carved milky chalcedony, diamonds and enamel by Mauboussin. There are 72 round-cut diamonds that have the approximate total weight of 5.96 carats, 8 turquoise cabochons, 16 carved milky chalcedony half-round sections, and 32 round enamel rondells. The house of Mauboussin was considered the leader in design innovation and luxury creation in the Art Deco period, so much so that Maurice Dauzalle, the famed art critic, wrote of the firm''s 1930 exhibition in "L''Illustration:" ''All the creations on display radiate the same artistic brilliance, the influence of a strong personality, a decisiveness.... In all of [Georges Mauboussin''s] work there is a lively intelligence, a driving inspiration....'' This striking collar features a strong, solidly Deco design that, unusually, centers on the cool interplay of color provided by the evenly-matched turquoise and the deeply black onyx. Interspersed with sleek slivers of architecturally-striated rock crystal and diamond-studded platinum accents, this industrially elegant piece demonstrates the height of design from the well-celebrated house of Mauboussin. With certificate of authenticity from Mauboussin.

Mauboussin Art Deco Turquoise, Chalcedony, Diamond and Black Enamel

Kauffman de Suisse Emerald Cut Diamond Necklace

A modern platinum necklace with diamonds by Kauffmann de Suisse. The necklace has 78 emerald-cut diamonds with an approximate total weight of 69.23 carats. PT 950.

Kauffman de Suisse Emerald Cut Diamond Necklace

Emerald Cut Diamond Engagement Ring

A modern platinum and diamond ring. The ring center on a emerald-cut diamond weighing 7.93 carats, having certificate #14899712 from the Gemological Institute of America stating that the diamond is "G" color and "VVS2" clarity. The central diamond is flanked by tapered baguettes and mounted in platinum. The ring measures size 6-1/2. (Can be sized to fit.)

Emerald Cut Diamond Engagement Ring

Kauffmann de Suisse Diamond Line Bracelet

A modern platinum bracelet with diamonds by Kauffmann de Suisse. The bracelet has 37 emerald-cut diamonds with an approximate total weight of 28.11 carats with an approximate E-G color and VS-1 clarity grade.

Kauffmann de Suisse Diamond Line Bracelet

Boucheron Paris French Retro "Palmette" Necklace

A chic statement of modernist abstraction, this highly flexible 18 karat gold necklace of stylized palmette leaves converts into two bracelets for versatile wear. Expressing the post-war Retro spirit with bold forms and freedom from ornament, this necklace/bracelet combination, with its soft-edged links, offers easy glamour and understated luxury. A version of this necklace is held in the collection of the Boucheron Archives in Paris. Boucheron Paris has been at the intersection of versatility and avant-garde design since "Monsieur Frédéric" founded the firm as a young man in 1858. With money borrowed from friends and family, Boucheron opened a small but opulent salon offering expensive modern jewels which appealed to the most daring buyers, including the tastemakers of the Russian aristocracy and the Parisian demi-monde. A friendly man, and a calm and graceful risk-taker himself, Boucheron was a creative force and benevolent presence in the Parisian jewelry world. While many houses were looking back to historical styles for inspiration, Boucheron re-introduced naturalism into jewelry arts with novel forms that were delightfully surprising in their asymmetry and unusual, exquisitely-handled materials. Suites of convertible jewels, popular among women clients buying for themselves such as the American expatriate Marie-Louise Mackay, were a specialty. Numerous innovations, am ... ong them engraved diamonds, "scarf" necklaces of woven gold and platinum, and the re-discovery of the technique of plique-a-jour enamel (a patent he held but never enforced against others), gained the firm several prizes at the international expositions, as well as a devoted elite clientele and worldwide reputation.

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Boucheron Paris French Retro 'Palmette' Necklace

Art Deco Oval Cushion-Cut Diamond and Platinum Ring

An elegant, Old European oval cushion-cut diamond set in a hand made platinum ring mount by Macklowe Gallery. The ring centers on an oval cushion-cut diamond that weighs 3.02 carats, G color, VS-1 clarity. The milegrain setting has 20 round-cut diamonds with an approximate total weight of .34 carat in the shoulders and basket of the ring. The hand made mount is exclusive to Macklowe Gallery. Gemological Institute of America certificate 12964709. Ring size 6; this ring can be sized.

Art Deco Oval Cushion-Cut Diamond and Platinum Ring

Platinum Ring with Diamonds by Tiffany & Co.

A platinum ring with diamonds by Tiffany & Co. This band has 32 Asscher cut diamonds with an approximate total weight of 3.20 carats. They have a G/H color and VS clarity grade.

Platinum Ring with Diamonds by Tiffany & Co.

"Favrile" Tiffany Lamp

A Tiffany Studios New York "Damascene" Favrile glass and patinated bronze base. This "Damascene" table lamp is composed of transparent green, "Dychroide" glass and iridized glass combed decoration. Of particular note is the complexity of the iridization on the lamp that uses two distinct metallic oxides applied in two different techniques. Initially, a shell of transparent green glass was blown onto a core of opaque white glass core, forming the lamp''s white interior and thin transparent green exterior. Subsequently, "Dychroide" glass was carefully trailed twenty-nine times around the form. This particular variety of "Dychroide" glass, an innovation by Arthur J. Nash, production manager at the Tiffany Furnaces, has the unique quality of appearing green in reflected light and amber in transmitted light. This innovation gives a dynamic quality to Tiffany''s lamps that proved to be a true unification of form and function. When lit, the amber of the "Dychroide" glass causes the green to perceptually vibrate, further amplifying the effect of radiation in the lamp. The network of threads was subsequently marvered into the glass and evenly iridized with gold metallic oxides in the top half of the lamp and platinum metallic oxides in the bottom half of the lamp. Gold metal oxides that transition into strokes of platinum metallic oxides were then painted obliquely around the form. ... The piece was then blown and tooled into a dome shape. Evidence that the glass was first iridized then blown can be found in the subtle craquelure of the iridescence towards the base of the lamp. The double iridization creates a high luster and an added depth to the piece. A comb with twenty-nine teeth (equivalent to the number of "Dychroide" glass trails) was evenly raked through the semi-molten glass. The combing was purposefully offset from the trails so that they could still be seen in the final wave pattern. The green trails without "Dychroide" threads transmit the most light, creating a vivid amber starburst pattern when lit. The shade sits on a patinated bronze urn-shaped base with three arms supporting the shade. Provenance: Property from the Geyer Collection A similar base and shade are pictured separately in: "Tiffany Lamps and Metalware: An illustrated reference to over 2000 models," by Alastair Duncan, Woodbridge: Suffolk: Antique Collectors'' Club, 1988. Shade: p. 59, plate 209; base: p. 32, plate 89.

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'Favrile' Tiffany Lamp

Art Deco Platinum Bracelet with Diamonds

A French Art Deco platinum bracelet with diamonds. This bracelet features baguette and old European- and single-cut diamonds with an approximate total weight of 25.00 carats. The diamonds have a VS/SI clarity and H-I-J color grade.

Art Deco Platinum Bracelet with Diamonds

Art Deco Natural Ruby, Diamond and Platinum Ring

An Art Deco platinum ring with ruby and diamonds. The ring centers on a marquise-cut ruby with an approximate weight of 1.00 carat, surrounded by diamond-set platinum filigree with an approximate total weight of 1.10 carats. Gemological Institute of America certificate #2165092948 states the ruby is natural with no indication of heat treatment.

Art Deco Natural Ruby, Diamond and Platinum Ring

Art Deco Gold and Platinum Ring with Diamonds

A French Art Deco 18 karat gold and platinum ring with diamonds. The bombé-form ring with rounded ridge motifs centering on 3 old mine-cut diamonds with an approximate total weight of 1.00 carats.

Art Deco Gold and Platinum Ring with Diamonds

David Webb Diamond, Rock Crystal and Black Enamel Drop Earrings

A pair of modern 18 karat gold and platinum earrings with a diamond-accented and black enamel-bordered rock crystal drop by David Webb. The drop earrings are a flat tear drop design with an open, diamond-studded interior section and carved rock crystal in Webb''s hallmark design, accented with strong black enameling. The earrings have 56 brilliant-cut diamonds with an approximate total weight of 3.02 carats. David Webb loved chiaroscuro, the interplay of light and dark. In these earrings where onyx and diamond frame a rock crystal drop that seems to float in space, the effect is both voluminous and airy.

David Webb Diamond, Rock Crystal and Black Enamel Drop Earrings

Art Deco Platinum and Diamond Leaf Brooch

An Art Deco platinum and diamond abstract leaf brooch The shaped and layered leaves of this brooch are set with 161 round old European-cut diamonds with an approximate total weight of 11.77 carats with a G/H color and VS clarity grade.

Art Deco Platinum and Diamond Leaf Brooch

Platinum Swag Brooch with Diamonds

A Mid-20th Century platinum brooch with diamonds. This cascade of diamonds is articulated and forms a swag. The clip brooch has 27 marquise-cut diamonds with an approximate total weight of 15.75 carats, that are finished with 54 baguette diamonds with an approximate total weight of 6.00 carats. The diamonds have a VS clarity and G/H/I color grade.

Platinum Swag Brooch with Diamonds

Rose Cut Diamond Stud Earrings

A pair of rose-cut diamond stud earrings. Each set with a circular rose-cut diamond, weighing 1.57 carats and 1.30 carats, set in platinum-topped 14kt gold. The earring findings are new.

Rose Cut Diamond Stud Earrings

Mid-20th Century Diamond and Platinum Line Necklace

A Mid-20th Century platinum necklace with diamonds. The necklace has 114 round-cut diamonds with an approximate total weight of 8.10 carats, and a 3 baguette diamond set clasp with an approximate total weight of .22 carat. The diamonds are mounted in scallop-shaped bezels.

Mid-20th Century Diamond and Platinum Line Necklace

Platinum and Gold "Camellia" Earrings with Rubies and Diamonds, by Van Cleef & Arpels

A pair of French Late-20th Century platinum and 18 karat gold "Camellia" earrings with rubies and diamonds, by Van Cleef & Arpels, France. The earrings are designed as sculpted flower blossoms, set with 18 oval-cut rubies, approximate total weight 7.00 carats, and 56 round brilliant-cut diamonds, approximate total weight 4.00 carats. These vivid red ruby earrings are an updated version of the eternally popular "Camellia" designs, which first appeared in the 1960s in response to opulent Indian jewels and exotic flowers of Asian origin that supplied inspiration for Van Cleef''s best work of the period.

Platinum and Gold 'Camellia' Earrings with Rubies and Diamonds, by Van Cleef & Arpels

Art Deco Style Emerald Ring by Macklowe Gallery

A contemporary Art Deco-style ring by Macklowe Gallery. Inspired by a 1920''s Tiffany & Company ring from our archives, this beauty centers on a 4.75 carat emerald-cut Colombian emerald, flanked by trapezoid (2=.69 carat) and step cut bullet ((2=.25 carat) diamonds to the platinum shank. The emerald has a gemological certificate from AGL (certificate number 1094852) stating its origin is Colombia, with insignificant to minor oil type treatment and measurements of 10.43 x 9.82 x 6.26 mm.

Art Deco Style Emerald Ring by Macklowe Gallery

American Platinum Earrings with Diamonds and Sapphires

A pair of American Mid-20th Century platinum earrings with diamonds and sapphires, The scrolling forms set with round brilliant-cut diamonds, approximate total weight 4.30 carats, and edged by calibré-cut sapphires, approximate total weight 2.60 carats.

American Platinum Earrings with Diamonds and Sapphires

Gold, Platinum and Diamond Ring by David Webb

An 18 karat gold, platinum and diamond ring, by David Webb. The hammered bombé form mount with stepped sides centers a band of 21 round brilliant-cut diamonds, approximate total weight 2.15 carats, with a F/G color and VS clarity. This chunky, hammered gold ring belongs to Webb''s "57th Street Collection," a group of jewels designed to express the meeting of culture and fashion. For this series, Webb began drawing ideas from dramatic ancient gold jewelry at New York City''s Metropolitan Museum of Art, adding diamond highlights for impact.

Gold, Platinum and Diamond Ring by David Webb

Antique Natural Pearl and Diamond Earrings

A pair of Antique natural pearl and diamond earrings . Each earring centering a natural pearl measuring approximately 8.9 x 7.5 x 6.1 mm and 8.8 x 8.3 x 7.0 mm, framed by 10 old mine-cut diamonds, total approximate diamond weight 5.00 carats, mounted in platinum-topped gold. Together with a GIA laboratory certificate stating that the pearls are natural.

Antique Natural Pearl and Diamond Earrings

Retro Diamond Gold and Platinum Flower Earrings

A pair of Retro 14 karat yellow and white gold earrings with diamonds. The earrings have 72 platinum set old European-cut diamonds with an approximate total weight of 3.70 carats, H/I color, VS/SI clarity. The earrings are designed in a strong Retro inspired floral motif.

Retro Diamond Gold and Platinum Flower Earrings

Mid-20th Century Diamond and Platinum Sailfish Brooch

A Mid-20th Century platinum brooch with diamonds in the shape of a sailfish. The brooch has 21 mixed fancy-cut diamonds with an approximate total weight of 3.00 carats, and 48 round-cut diamonds with an approximate total weight of 1.50 carats. They have a VS clarity and G/H color grade.Total weight 4.50 carats. The sailfish is covered in pavé diamonds with mixed-cut diamonds encrusting the dorsal fin and a small ruby eye.

Mid-20th Century Diamond and Platinum Sailfish Brooch

Mid-Century Diamond and Platinum Line Necklace

A Mid-20th Century diamond and platinum necklace containing 110 round-cut diamonds with an approximate total weight of 5.90 carats, H/I color, VS clarity. Each diamond is prong-set in a box link. The center of the necklace has a flip-down bale.

Mid-Century Diamond and Platinum Line Necklace

Edwardian Pearl, Diamond and Platinum Long Chain

An Edwardian platinum necklace with pearls and diamonds. The necklace has 256 seed pearls measuring approximately 2.7 mm. The chain has 15 rose-cut diamonds set in the swivel pendant bale.

Edwardian Pearl, Diamond and Platinum Long Chain