An 18k gold band with three inset round amethyst cabochons; An oval black opal doublet in substantial 14k gold square head. Size 6. 11.1 dwt.
Auctioneer:
Rago Auctions
Date:
2017-06-09
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
FOUR UMMOUNTED OVAL OPALS Red/yellow, 41mm x 21.8mm, 26.8 cts.; black red/green harlequin, 26mm x 16mm, 18.90 cts.; crystal opal, full spectrum harlequin, 15.4mm x Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
GENTS 18KT. YELLOW GOLD AND BLACK OPAL RING:The ring contains an oval cabochon cut black opal set vertically in a multiple prong bezel. The opal Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2010-03-14
Black Opal, Ruby, Colored Diamond and Diamond Brooch, Raymond Yard, c. 1960, the opal pot with ruby and yellow diamond melee blossoms, diamond baguette and Read more…
Auctioneer:
Skinner
Date:
2008-06-17
14kt White Gold, Diamond, and Opal Ring and a 14kt Gold and Black Opal Bracelet, ring size 8, bracelet lg. 7 1/4 in., total 16.5 Read more…
Auctioneer:
Skinner
Date:
2019-07-10
containing one oval cabochon cut black opal measuring approximately 19.05 x 15.63 x 5.57 mm and numerous round brilliant cut diamonds weighing approximately 2.78 carats Read more…
Auctioneer:
Leslie Hindman Auctioneers
Date:
2016-09-11
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
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
Cartier 18kt Gold and Black Opal Ring, set with an oval cabochon measuring approx. 13.50 x 9.20 x 3.00 mm, 2.9 dwt, size 5 1/4, Read more…
Auctioneer:
Skinner
Date:
2020-11-10
An oval black opal cabochon, 22.2 x 11.3 x 5.9mm set in shaded translucent green and blue enameled surmount suspends similar pear-shaped black opal cabochon Read more…
Auctioneer:
Rago Auctions
Date:
2016-11-05
