Platinum Sapphire and Diamond Ring, J. E. Caldwell & Co., prong-set with an emerald-cut sapphire measuring approx. 8.80 x 7.43 x 5.65 mm, flanked by trapezoidal and full-cut diamond shoulders, size 6 3/4, signed.
Auctioneer:
Skinner
Date:
2008-03-18
Art Deco Platinum, Sapphire, and Diamond Ring, bezel-set with a faceted oval sapphire measuring approx. 8.70 x 6.57 x 3.90 mm, piercework mount bead-set with Read more…
Auctioneer:
Skinner
Date:
2008-12-09
Platinum, Sapphire and Diamond Ring, prong-set with a cushion-shape faceted sapphire measuring approx. 8.30 x 7.09 x 4.67 mm, framed by fourteen old European-cut diamonds, Read more…
Auctioneer:
Skinner
Date:
2004-09-21
Platinum, Sapphire, and Diamond Ring, Tiffany & Co., set with an oval-cut sapphire measuring approx. 15.25 x 11.52 x 5.86 mm, weighing 10.35 cts., framed Read more…
Auctioneer:
Skinner
Date:
2012-12-04
Edwardian Platinum, Sapphire, and Diamond Ring, set with an oval-cut sapphire measuring approx. 7.92 x 6.92 x 5.64 mm, weighing approx. 2.48 cts., flanked by Read more…
Auctioneer:
Skinner
Date:
2012-12-04
Platinum, Sapphire, and Diamond Ring, prong-set with a cushion-shaped sapphire measuring approx. 9.18 x 7.62 x 7.29 mm, and weighing 4.81 cts., flanked by two Read more…
Auctioneer:
Skinner
Date:
2012-09-11
Platinum, Sapphire and Diamond Ring, Van Cleef & Arpels, New York, prong-set with a cushion-cut sapphire weighing 8.354 cts., flanked by diamond trillions, approx. total Read more…
Auctioneer:
Skinner
Date:
2006-06-13
Platinum, Sapphire and Diamond Ring, prong-set with a cushion-cut sapphire measuring 12.52 x 10.50 x 5.39 mm and weighing 6.80 cts., flanked by old European-cut Read more…
Auctioneer:
Skinner
Date:
2005-12-13
Platinum, Sapphire, and Diamond Ring, set with an oval cabochon weighing 5.88 cts., flanked by a fancy-cut sapphire and diamond, with single-cut diamond accents, size Read more…
Auctioneer:
Skinner
Date:
2019-03-04
Art Deco Platinum, Sapphire, and Diamond Ring, centering a bezel-set oval mixed-cut sapphire measuring 7.95 x 6.60 x 5.18 mm, flanked by calibre-cut sapphires, surrounded Read more…
Auctioneer:
Skinner
Date:
2016-03-22
Platinum, Sapphire, and Diamond Ring, designed as a cluster of circular-cut sapphire and full-cut diamond flowers, together with a pair of 14kt white gold, oval-cut Read more…
Auctioneer:
Skinner
Date:
2015-04-23
