Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant B

Title: Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant Brooch w/ Orig. Box Dated 1922 Description: A truly dazzling Art Deco era brooch / pendant tha

Title: GIA 6.05ct VS2 Cape Color Old Euro Diamond Center Platinum Filigree Art Deco Era Ring Description: A breathtaking fiery, cape color 6.05ct old Euro cut diamond solitaire with VS/2 clarity is s

Title: Cartier Long Platinum Old Euro Diamond Natural Sapphire Art Deco Era Signed & Numbered Bracelet Description: A properly signed & numbered Art Deco era treasure by Cartier featuring well over 20

19th Century Antique Diamond and enamel monogram pendant The pendant of Tsar Nicholas I with crown monogram, set with rose and old-mine cut diamonds, with blue enamel surrounded by old mine-cut diamon

3.80ctw VS1-VS2/G-H Brilliant Round-Cut Diamond & Solid Platinum Art Nouveau Ring (W/3.25ct Center Diamond) - This stunning ring is made of solid platinum, and boasts a beautiful, 3.25ct VS1-VS2/G-H b

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old

Title: GIA Old Mine 2.99ct Fancy Intense Yellow Diamond Gold Antique Ring w/ 3ctw Stunning White Old Euro Halo 6ctw Diamond Antique Ring w/ Approx 3ctw White Old Euro Halo Description: Crazy gorgeous

This stunning Edwardian era engagement ring dates from circa 1910 and features a platinum diamond encrusted filigree mounting set with a 2.28 carat old European cut center diamond. The diamond is beau

A FINE ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a seven rayed star, set with a central cluster of old cut diamonds, the central diamond weighing 1.89 carats, accent

Fabulous Platinum & Diamond Engagement Ring. Size - 6.5. Weight - 8.5 grams. GIA certified Diamond, Center Diamond - Cut Cornered Rectangular Modified Brilliant, measurements - 11.13 x 8.68 x 6.10 mm,

Stunning Art Deco Platinum and Diamond Cartier Drop Earrings in their original case, circa 1920's. Earrings consist of 2 old European cut diamonds weighing approximately 1.00ct total, 36 old European

Beautiful Art Deco Diamond Pendant Necklace the platinum removable pendant mounted with Old European-cut, round brilliant-, baguette- and fancy-cut diamonds weighing approximately 3.85 carats in total

c. 1910 Art Deco platinum diamond ring featuring an Old European cut diamond measuring 10.2 x 9.8 x 6.7mm weighing approx. 4.51 ct bezel set in the center of the ring with 10 additional Old European c

Large Platinum and Diamond Snowflake Pendant Necklace, Tiffany & Co. the snowflake in a symmetrical design and set with kite cut diamonds to the center weighing 1.54 total carats (F-G color, VVS1-VS2

Gorgeous 1930's art deco ladyÂ’s platinum three stone diamond ring. The ring was purchased at Tiffany & Co.* in the mid 1930's and features three (3), six prong set, Old European cut diamonds set i

Art Deco diamond and platinum bracelet Set with old mine-cut diamonds, circa 1920s Platinum 7 ¼ x ¾ ins; Gross weight 27.1 dwts

Featuring one old mine-cut diamond weighing approximately 4.23 cts., accented by four European cut diamonds weighing a total of approximately 0.60 cttw., set in a platinum and 14k yellow gold pendant

An Art Deco style Platinum & Diamond engagement ring. Consisting of 1 center emerald cut diamond measuring 7.1 x 7.3 mm, approximately 2.25 cttw, with estimated F/G color and VS1 clarity, flanked by t

The Edwardian style platinum ring is set with an approx. 1.31 ct. vivid slightly orangish yellowish brown Old European cut diamond bezel set in the center (I1 clarity due to a natural cavity or chip a

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds

Platinum multi diamond ring measures 11.16 mm wide and weighs 3.44 dwt. Ring has milgrain edging and gallery work. Set in the center is an old European cut diamond that measures 9.25 mm by 5.70 mm and

Jacob & Co. Brown diamond ring Set with a radiant-cut brown diamond weighing approx. 7.01 cts Platinum With maker's mark for Jacob & Co. Ring size 5; Gross weight 18.0 dwts

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

Art Deco Approx. 58.0 Carat TW Six Hundred Sixty Five Old European Round and Baguette Cut Diamond and Platinum Wide Bracelet. Set in the center with an approx. 2.0 carat old European cut diamond. Diam