10% IRIDIUM PLATINUM, 4. 3CT AMETHYST & DIAMOND RING:Set with two round cut amethyst totaling approximately 4.33ct, as well as four round cut diamonds, two marquise cut diamonds, and two baguette cut diamonds totaling approximately .45ct.
Auctioneer:
Dumouchelle Art Galleries
Date:
2006-04-08
10% IRIDIUM PLATINUM & DIAMOND LADY'S RING, .81CTS TW:Set with 3 Old European cut diamonds totaling 0.81ct, Color H-J, Clarity VS 1-VS 2, proportion- 1 Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2005-11-12
IRIDIUM PLATINUM & APPROX. 1.70CT DIAMOND RING:Centered by a single marquis cut diamond at approximately 2.00ct, Clarity SI-1, Color H-I, flanked by a baguette at Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2006-12-09
ART DECO DIAMOND PLATINUM NAVETTE RING; Pierced and chased, set with nine OMC diamonds, approx. 1 cts. TW, ca. 1930; Marked 10% iridium-plat.; Size 6 Read more…
Auctioneer:
Rago Auctions
Date:
2014-04-27
PLATINUM & DIAMOND CLUSTER RING:A 10% iridium platinum mount with flourish design, set with 22 round diamonds of graduated size, the larger of which at Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2012-07-21
PLATINUM & 2.60CT DIAMOND RING WITH RING GUARD:Including 1 10% iridium platinum ring centered by a single round full cut diamond measuring approximately 2.60ct (8.6mm Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2008-05-17
HAMILTON PLATINUM, 14KT WHITE GOLD & DIAMOND LADY'S WRIST WATCH, C. 1940:Diamond-encrusted 10% iridium platinum case, and a diamond-studded 14kt white gold band. Ex Estate Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2006-12-09
Ladies 10% Iridium platinum ring containing one round brilliant cut diamond (measuring approximately 6.8 x 3.6mm, weighing approximately 1.02 carats, GIA color grade G/H, GIA Read more…
Auctioneer:
Ahlers & Ogletree Auction Gallery
Date:
2014-11-16
VINTAGE PLATINUM, AMETHYST, SEED PEARL & DIAMOND BROOCH, EARLY 20TH C., W 1 3/4":A central oval cut amethyst set in platinum filigree, studded with seed Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2016-07-16
Platinum, Amethyst and Diamond Brooch, centering a faceted oval amethyst measuring approx. 25.60 x 18.05 x 10.03mm, framed by single-cut diamond melee and square-cut amethysts, Read more…
Auctioneer:
Skinner
Date:
2008-09-16
ART DECO STYLE PLATINUM, AMETHYST & DIAMOND RING:Having a step cut amethyst at the center, approximately 5.03 cts, that is flanked by a single baguette Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2012-01-15
