Art Nouveau Black Opal, Diamond, and Enamel Pin, Bailey, Banks & Biddle, bezel-set with an oval broadflash opal, accented by green enamel and lines of old European-cut diamond melee, 18kt gold and platinum mount, no. 37930, hallmark.
Auctioneer:
Skinner
Date:
2004-09-21
Art Nouveau Black Opal and Diamond Pendant, The Brassler Company, Newark, New Jersey, set with three opal cabochons among scroll and knife-edge motifs, seven old Read more…
Auctioneer:
Skinner
Date:
2007-06-12
Art Nouveau Black Opal and Plique-a-jour Enamel Brooch, Whiteside & Blank, centering an oval black opal against an enamel sunset scene with lake and forest, Read more…
Auctioneer:
Skinner
Date:
2006-03-14
Art Nouveau Black Opal Bangle Bracelet, Sloan & Co., the hinged bangle bezel-set with a black opal within a foliate engraved frame flanked by lotus Read more…
Auctioneer:
Skinner
Date:
2005-09-20
Art Nouveau Black Opal and Emerald Bracelet, composed of bezel-set opals joined by scrolling foliate links, emerald bead and freshwater pearl highlights, completed by a Read more…
Auctioneer:
Skinner
Date:
2007-09-18
Art Nouveau Boulder Opal and Diamond Pendant, bezel-set with a cabochon opal within a garland frame, old European and old mine-cut diamond highlights, lg. 1 Read more…
Auctioneer:
Skinner
Date:
2006-03-14
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 Deco Platinum, Black Opal, Diamond, and Seed Pearl Necklace, c. 1926, composed of a delicate platinum and seed pearl chain with bezel-set opal and Read more…
Auctioneer:
Skinner
Date:
2016-09-27
Art Nouveau Fire Opal Owl Stickpin, with rose-cut diamond eyes, perched on a gold branch, lg. 3/4 in. Read more…
Auctioneer:
Skinner
Date:
2012-03-13
Art Deco Platinum, Black Opal, Diamond and Ruby Brooch, bezel-set with a black opal framed by bead-set old single-cut diamonds and highlighted by square-cut rubies, Read more…
Auctioneer:
Skinner
Date:
2009-09-15
Art Deco Platinum, Black Opal, Diamond and Gem-set Brooch, designed as a black opal pot on diamond baguette stand holding flexibly set diamond melee bouquet, Read more…
Auctioneer:
Skinner
Date:
2007-03-13
