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
Auctioneer:
Rago Auctions
Date:
2008-12-07
Antique Black Opal and Diamond Ring, Tiffany & Co., centering an opal measuring 12.20 x 10.45 x 3.00 mm, flanked by old European-cut diamond melee, Read more…
Auctioneer:
Skinner
Date:
2008-09-16
BLACK OPAL AND DIAMOND PENDANT; Circular 14k yg. pendant supports a semi-crystal black opal disk with blue fire, 9.50 cts. by formula, and nine brilliant Read more…
Auctioneer:
Rago Auctions
Date:
2013-12-08
Platinum, Black Opal, and Diamond Ring, centering a black opal measuring approx. 11.55 x 9.55 x 2.12 mm, with old-mine cut diamond accents, size 5 Read more…
Auctioneer:
Skinner
Date:
2018-05-15
Platinum, Black Opal, and Diamond Ring, the chevron shaped ring, set with a triangular shaped cabochon black opal measuring approx. 8.90 x 8.40 x 4.20 Read more…
Auctioneer:
Skinner
Date:
2011-03-15
Platinum, Black Opal and Diamond Ring centering a cushion-shaped black opal measuring approx. 9.52 x 9.60 x 3.70 mm., surrounded by old European, old mine Read more…
Auctioneer:
Skinner
Date:
2011-03-15
Art Deco Platinum, Black Opal, and Diamond Ring, set with an oval cabochon black opal measuring approx. 13.20 x 10.70 x 3.40 mm, framed by Read more…
Auctioneer:
Skinner
Date:
2011-03-15
WALTON & CO. BLACK OPAL AND DIAMOND RING, ca. 1900; Oval black opal, 11.5 x. 7.5 mm, two OMC diamonds and two green garnet accents Read more…
Auctioneer:
Rago Auctions
Date:
2012-12-09
18kt Gold, Black Opal and Diamond Ring, prong-set with a black opal measuring approx. 13.40 x 8.50 x 4.32 mm framed by full-cut diamond melee, Read more…
Auctioneer:
Skinner
Date:
2004-03-16
Black Opal and Diamond Ring, Gubelin, prong-set with a cabochon black opal weighing 5.91 cts., framed by marquise- and full-cut diamonds, total diamond wt. 1.90 Read more…
Auctioneer:
Skinner
Date:
2014-09-09
14kt Gold, Black Opal, and Diamond Watch Pin, bezel-set with a triangular cabochon black opal measuring approx. 20.20 x 20.00 x 4.40 mm, framed by Read more…
Auctioneer:
Skinner
Date:
2011-09-13
