BLACK MATRIX OPAL AND DIAMOND PENDANT; Oval opal specimen, 18.2 x 12.3 mm., with blue-green color play, suspends from circular diamond cluster, approx. .40 ct. TW, at least 10k wg.; 3.3 dwt., 1 1/8"
Auctioneer:
Rago Auctions
Date:
2013-04-21
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
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
18kt Gold, Boulder Opal, and Diamond Ring, centering a bezel-set opal tablet flanked by full-cut diamond accents, size 7. Boulder Opal Read more…
Auctioneer:
Skinner
Date:
2008-12-09
UNMOUNTED MATRIX OPALS Tablet-form Tanzanian black matrix opal, 16.5mm x 4mm, 13.28 cts.; six matrix opals, largest 31mm x 15mm, 114 cts. TW; two rough Read more…
Auctioneer:
Rago Auctions
Date:
2009-08-07
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
VICTORIAN STYLE OPAL JEWELRY Opal and diamond earrings and opal bracelet. 14k yg opal pendant earrings with black enamel accents and brilliant-cut diamonds, .18 ct. Read more…
Auctioneer:
Rago Auctions
Date:
2008-06-14
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
