EDWARDIAN AUSTRALIAN BLACK OPAL PLATINUM BRACELET; Seven oval black opal cabochons, 21.50 cts. TW by formula, predominately blue-green play-of-color with some orange fire, in millegrained and reticulated links. Finding marked Irid-Plat, no maker mark apparent. 7 3/4". 11.5 dwt. Probable gem source: Lightning Ridge. Companion to lots 2535 and 2537.
Auctioneer:
Rago Auctions
Date:
2014-12-07
EDWARDIAN AUSTRALIAN BLACK OPAL PLATINUM BRACELET; Six oval black opal cabochons with red-orange/green-blue spectral play-of-color, 32 cts. TW by formula, in spectacle settings joined by Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
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
4.74 CT. AUSTRALIAN BLACK OPAL AND DIAMOND NECKLACE, L 1 1/4":Diamonds .60 ct. Vs-2 clarity, H-color. Total weight 7.2 grams. Opal is not a doublet. Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2008-04-20
EDWARDIAN AUSTRALIAN OPAL AND DIAMOND RING Platinum-topped chased 14k yg. 4.4 gs., 1", size 8" Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
HARLEQUIN BLACK OPAL AND DIAMOND PLATINUM RING; Blue-green color plays across cushion shaped Australian opal cabochon on MATRIX, 15.2 x 12.6 mm., 5.1 cts. by Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
Edwardian Black Opal, Seed Pearl, and Diamond Pendant Necklace, the platinum and seed pearl chain accented by diamond foliate links, suspending a bezel-set black opal Read more…
Auctioneer:
Skinner
Date:
2010-03-16
Edwardian Platinum, Black Opal, and Diamond Necklace, bezel-set with black opals among old mine and old European-cut diamond floral motifs, joined by delicate trace and Read more…
Auctioneer:
Skinner
Date:
2008-06-17
Edwardian Black Opal and Diamond Necklet, the delicate trace link chain suspending a pendant with two bezel-set harlequin black opals and thirty-one bead and bezel-set Read more…
Auctioneer:
Skinner
Date:
2003-06-17
Edwardian Black Opal and Diamond Brooch, Allsopp & Allsopp, bezel-set with a navette-form cabochon opal measuring approx. 22.00 x 17.50 mm, framed by old mine-cut Read more…
Auctioneer:
Skinner
Date:
2014-12-09
Edwardian Black Opal Pendant, bezel-set with a cabochon opal measuring approx. 16.50 x 15.00 x 5.90 mm, with old mine-cut diamond surmount, and suspended from Read more…
Auctioneer:
Skinner
Date:
2011-12-06
