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 diamonds and pearls, platinum-topped 14kt gold mount, lg. 1 3/8 in., maker's mark.
Auctioneer:
Skinner
Date:
2014-12-09
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 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 Fire Opal and Diamond Ring, set with a cushion-cut opal measuring approx. 14.00 x 11.70 x 5.10 mm, framed by rose-cut diamonds, rose-cut diamond Read more…
Auctioneer:
Skinner
Date:
2012-12-04
Edwardian Crystal Opal and Diamond Pendant, set with a crystal opal cabochon and highlighted by rose and old European-cut diamonds, open gallery, platinum-topped gold mount, Read more…
Auctioneer:
Skinner
Date:
2009-06-16
Edwardian Platinum, Opal, and Diamond Snake Pendant/Brooch, designed as a heart-shaped opal entwined by two old mine and old European-cut diamond serpents, (with removable 14kt Read more…
Auctioneer:
Skinner
Date:
2005-09-20
Art Deco Platinum, Black Opal and Diamond Pendant, suspended from an Edwardian floral and foliate swag pin, set throughout with old European and single-cut diamonds, Read more…
Auctioneer:
Skinner
Date:
2004-12-14
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
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
BLACK OPAL AND DIAMOND PENDANT; Circular 14k yg. pendant supports a semi-crystal black opal disk with blue fire, 9.50 cts. by formula, and nine brilliant Read more…
Auctioneer:
Rago Auctions
Date:
2013-12-08
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
