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.
A French Art Deco ring with red spinel and diamonds. The ring has a rectangular-cut red spinel with an approximate weight of 3.29 carats, 8 old European-cut diamonds with an approximate total weight of .64 carat, and 8 baguette diamonds with an approximate total weight of .48 carat. The ring is designed in a plaque motif with baguette steps extending from the shoulders to the center-set spinel.
Signed: French control mark and partial makers mark
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.
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. .
Dimensions: Ring size 6-1/4; this ring can be sized
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.
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.
Signed: French Assay Marks
Dimensions: Ring size 6-3/4; this ring can be sized.
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.
Dimensions: Ring size 5-3/4; this ring can be sized.
An Art Deco platinum 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 6 old European-cut diamonds with an approximate total weight of .70 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.
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.
Dimensions: Ring size 5-1/4; this ring can be sized.
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
Dimensions: Ring size 4-3/4; this ring can be sized.
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.
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.
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.
Dimensions: Ring size 4-1/4. (Can be sized to fit.)
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.
An Art Deco platinum ring with blue sapphire and diamonds The ring centers on a cushion-cut blue sapphire with an approximate total weight of 1.98 carats. This untreated sapphire is from Montana, the Uogo Gulch mines. It is flanked by 2 pear-shape diamonds that have an approximate weight of 1.25 carat each. The delicate open work setting is enhanced with round-cut diamonds with an approximate total weight of .60 carats. With an American Gemological Laboratory certificate #1099449.
An Art Deco platinum ring with black opal, demantoid garnets and diamonds. The ring centers on a black opal that has an approximate weight of 3.77 carats. It is surrounded by 47 calibre-cut demantoid garnets with an approximate total weight of 1.30 carats and 40 old mine-cut diamonds with an approximate total weight of 1.00 carats. The opal is 17.92 mm in length, 13.54 in width and 2.78 mm in depth. With later added shank. Size 6
Dimensions: 1-1/4" length x 1" width. Ring size 6. (Can be sized to fit.)
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.
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