4. 74 CT. AUSTRALIAN BLACK OPAL AND DIAMOND NECKLACE, L 1 1/4":Diamonds .60 ct. Vs-2 clarity, H-color. Total weight 7.2 grams. Opal is not a doublet. Original stone cut from rough.
Auctioneer:
Dumouchelle Art Galleries
Date:
2008-04-20
AUSTRALIAN 25 CT BLACK OPAL PENDANT, 14KT YELLOW GOLD SURROUNDED BY SIMULANT DIAMONDS:Overall 2 5/16" x 1 3/16"; opal approx 1 15/16" x 13/16". Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2010-06-13
AUSTRALIAN 25 CT BLACK OPAL PENDANT, 14KT YELLOW GOLD SURROUNDED BY SIMULANT DIAMONDS:Overall 2 5/16" x 1 3/16"; opal approx 1 15/16" x 13/16". Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2010-03-14
CRYSTALLINE BLACK OPAL WITH DIAMOND PLATINUM RING Opal, 3.22 cts., stepped shoulders with four baguette diamonds, .35 ct. TW. 9 gs. GW. Size 6 1/4 Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
HARLEQUIN BLACK OPAL AND DIAMOND PLATINUM RING; Blue-green color plays across cushion shaped Australian opal cabochon on MATRIX, 15.2 x 12.6 mm., 5.1 cts. by Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
14K GOLD DIAMOND AND BLACK OPAL DOUBLET SUITE; Oval pendant; Matching ring, size 6; Diamonds, approx. .35 ct. TW; 6.3 dwt. Read more…
Auctioneer:
Rago Auctions
Date:
2013-04-21
AMERICAN GOLD ART NOUVEAU JEWELRY 14k, ca. 1900. Black opal ring, champleve green, red and black enamel lines highlight the colors of the gem, size Read more…
Auctioneer:
Rago Auctions
Date:
2009-12-06
14KT GOLD AND 8.33 CT. OPAL RING:Having a cabochon black opal. .6 Dia and .53 ct. (#7). Ex estate Wilma Sugar, Ann Arbor. Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2005-04-17
Oval gray black, semi-crystal opal with red/yellow/blue/green fire, 30 x 11 x 4.5 mm., 10.7 cts. by formula, and .25 ct. blue sapphire, in platinum Read more…
Auctioneer:
Rago Auctions
Date:
2015-12-06
A cushion cut purple tanzanite, approx. 15.74 cts. by formula, in modernist white and yellow gold pendant, with burnished RBC diamond, approx. .14 ct. TW, Read more…
Auctioneer:
Rago Auctions
Date:
2017-06-11
Designed as a vertical knife edge gold vine, set with emerald accents, two OMC diamonds, approx. .60 ct. each by formula, and centering round black Read more…
Auctioneer:
Rago Auctions
Date:
2017-06-11
