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 nestles among 14k yg. gold pinecones and branches. Transcendent Arts and Crafts example. Retailed by A. Stowell & Co., Boston. In original lizard leather box. 3.2 dwt. (5.1 gs.), size 5 1/4
Auctioneer:
Rago Auctions
Date:
2012-12-09
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
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
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
Art Nouveau 14kt Gold and Black Opal Stickpin, Walton & Co., the opal measuring approx. 12.80 x 9.50 mm, framed by scrolling leaf motifs, signed. Read more…
Auctioneer:
Skinner
Date:
2013-12-10
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
Art Nouveau 14kt Gold and Black Opal Stickpin, Walton & Co., with scrolling leaf motifs, signed. Read more…
Auctioneer:
Skinner
Date:
2005-12-13
Art Nouveau 14kt Gold and Opal Peacock Ring, Walton & Co., the elaborate peacock set with an oval cabochon opal, the tail with old European-cut Read more…
Auctioneer:
Skinner
Date:
2014-06-12
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
