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 bezel and rippled openwork ,18k yg. set with diamonds, pearls and aquamarines, ca. 1995. Marked 18k, pendant bail. 1 3/4" x 1 1/4". 10.2 dwt.
Auctioneer:
Rago Auctions
Date:
2015-12-06
Excellent condition.
An 18 karat gold, black opal and diamond brooch. Signed with impressed manufacturer's mark to reverse: [Wiener 18k]. Sold with custom case.
USA, c. 1950
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Auctioneer:
Wright
Date:
2018-01-18
OPAL AND DIAMOND 18K WHITE GOLD BROOCH; Curvilinear diamond ribbons join white opal cabochon, tipped by diamond flower head, last quarter 20th c. Diamonds approx. Read more…
Auctioneer:
Rago Auctions
Date:
2015-04-16
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
DIAMOND, OPAL AND EMERALD 18K GOLD BROOCH; Dazzling circular cluster of 12 OEC and OMC diamonds, approx. 5 cts. TW, and 24 bright green emeralds Read more…
Auctioneer:
Rago Auctions
Date:
2013-12-08
HANDMADE BLACK OPAL AND GOLD BAR PIN. 4 cts. black opal in 14k yg. 5.8 gs. GW, 2 1/8" Read more…
Auctioneer:
Rago Auctions
Date:
2011-04-10
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
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
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
