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 drop, with OEC and single cut diamond accents. approx. .65ct. TW ***on trace link chain-- will provide new length and weight after change-Ca. 1900. Stamped with maker's cypher, 14k.
Auctioneer:
Rago Auctions
Date:
2016-11-05
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
MARCUS & CO. BLACK OPAL, DIAMOND PLATINUM RING; Oval Australian black opal cabochon, 22.9 x 14 x 4.77 mm., 8.87 cts. by formula, red-orange/blue-green spectral Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
Comprising an oval black opal cabochon, 8.6 cts. by formula, with even Cerulean-green color play encircled by gold leaves. Ca. 1930. Marked Walton & Co., Read more…
Auctioneer:
Rago Auctions
Date:
2016-12-04
Art Nouveau peacock with black opal body, demantoid garnet feathers, ca. 1910. Partial marks (due to sizing) 14k and Walton. Size 7. 5.2 dwt. Note: Read more…
Auctioneer:
Rago Auctions
Date:
2015-12-06
Art Nouveau 14kt Gold and Opal Pendant, Durand & Co., bezel-set with an opal cabochon within a scrolling mount with floral motifs, suspending a drop, Read more…
Auctioneer:
Skinner
Date:
2013-09-10
TIFFANY & CO. PLATINUM BLACK OPAL CUFF LINKS, 1910-1920. Each double cuff link set with two circular black opal cabochons, average 11.5 x 4.75 mm, Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
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
Arts & Crafts Black Opal, Demantoid Garnet, and Sapphire Brooch, Tiffany & Co., designed as a pear-shape black opal with demantoid garnets and sapphires among Read more…
Auctioneer:
Skinner
Date:
2013-12-10
Black Opal, Opaline and Enamel Pendant, Tiffany & Co., c. 1905,the black opal among opaline grapes, vines and enamel leaves, 18kt gold and platinum mount, Read more…
Auctioneer:
Skinner
Date:
2004-12-14
Art Nouveau 18kt Gold and Black Opal Snake Ring, Tiffany & Co., the oval opal cabochon framed by entwined snakes, engraved accents, size 3 1/2, Read more…
Auctioneer:
Skinner
Date:
2006-09-19
