Platinum, Star Sapphire, and Diamond Ring, Oscar Heyman, bezel-set with an oval cabochon star sapphire framed by calibre-cut sapphires, with bezel-set full-cut diamond melee, size 7 1/4, unmarked.
Auctioneer:
Skinner
Date:
2015-09-29
Platinum, Star Sapphire, and Diamond Ring, centering a violetish purple star sapphire weighing 30.55 cts., flanked by bullet-shaped diamond baguettes, approx. total diamond wt. 1.00 Read more…
Auctioneer:
Skinner
Date:
2019-12-03
Platinum, Star Sapphire, and Diamond Ring, prong-set with a star sapphire measuring approx. 15.95 x 13.90 x 10.40 mm, and weighing 21.97 cts., framed by Read more…
Auctioneer:
Skinner
Date:
2007-09-18
Platinum, Star Sapphire, and Diamond Ring, Cartier, set with a cabochon star sapphire measuring approx. 19.60 x 17.60 x 11.50 mm, within a square-, baguette-, Read more…
Auctioneer:
Skinner
Date:
2012-03-13
Art Deco Platinum, Star Sapphire and Diamond Ring, bezel-set with a star-sapphire measuring approx. 19.05 x 13.00 x 8.00 mm, framed by old European-cut diamond Read more…
Auctioneer:
Skinner
Date:
2006-06-13
Platinum, Star Sapphire and Diamond Ring, prong-set with a pale blue star sapphire measuring 12.30 x 9.65 x 6.41 mm, framed by twenty-eight full-cut diamond Read more…
Auctioneer:
Skinner
Date:
2005-03-15
Platinum, Star Sapphire, and Diamond Ring, Retailed by Greenleaf & Crosby, set with a cabochon star sapphire measuring, 13.80 x 12.40 x 12.10 mm, framed Read more…
Auctioneer:
Skinner
Date:
2017-12-05
Platinum, Star Sapphire, and Diamond Ring, prong-set with a cabochon star sapphire measuring approx. 17.40 x 16.95 x 11.80 mm, weighing approx. 37.00 cts., flanked Read more…
Auctioneer:
Skinner
Date:
2012-09-11
Art Deco Platinum, Star Sapphire, and Diamond Ring, bezel-set with a circular cabochon star sapphire measuring approx. 11.70 x 9.10 mm, baguette and single-cut diamond Read more…
Auctioneer:
Skinner
Date:
2012-06-12
Art Deco Platinum, Star Sapphire, and Diamond Pendant, centering an oval cabochon star sapphire measuring approx. 10.00 x 8.20 x 5.90 mm., framed by single-cut Read more…
Auctioneer:
Skinner
Date:
2010-12-07
Platinum, Star Sapphire, and Diamond Ring, prong-set with a star sapphire measuring approx. 18.04 x 12.50 x 6.90 mm, baguette and full-cut diamond shoulders, size Read more…
Auctioneer:
Skinner
Date:
2008-03-18
