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.
A French Art Deco platinum bracelet with emeralds and diamonds by Van Cleef & Arpels. The line bracelet has 14 emerald-cut emeralds with an approximate total weight of 2.10 carats, and 42 round-cut diamonds with an approximate total weight of 2.95 carats in a 3 diamond, 1 emerald pattern. The bracelet has a deeply engraved foliate motif gallery. With fitted box.
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.
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.
A French late-20th Century 18 karat gold necklace with diamonds by Cartier. The necklace has round and square-cut diamonds with an approximate total weight of 5.50 carats, G/H color, VS clarity, which compose the three diamond-set plaques on the brick chain necklace. The "Trinidad'' diamond necklace. With signed Cartier box and Cartier documentation.
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.
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.
An Antique English 18 karat gold, diamond, natural pearl and enamel hinged bracelet by Hunt & Roskell of London. The bracelet features 84 old mine- and rose-cut diamonds that have the approximate total weight of 2.70 carats. The natural pearl center plaque of the bracelet is removable and can be worn as a brooch. The center pearl measures 8.55 mm. with 4 additional pearls that measure 5.9 mm. With original brooch attachments and original signed fitted box. Selected as jewelers and goldsmiths to Her Majesty in the 1840s, Hunt & Roskell of New Bond Street were prominent participants in the Crystal Palace Exhibition of 1851, the first of the competitive international expositions that provided dynamic impetus to creativity and accomplishment in the fine and decorative arts. Their work ran from glamorous (diamond and gem-set tiaras convertible into necklaces) to exotic (bracelets set with rare Indian portrait diamonds), and they were owners for a time of the legendary Hope blue diamond. In keeping with the firm''s tradition of versatility, this chic bracelet, with its creamy natural pearls set off by sparkling antique-cut diamonds, conceals a brooch fitting under the velvet interior of its original morocco leather box.
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