Sapphire and Diamond Ring, Oscar Heyman, prong-set with a cushion-cut sapphire measuring approx. 9.40 x 6.61 x 4.26 mm, framed by oval-cut diamonds, approx. total diamond wt. 1.13 cts., platinum-topped 18kt gold mount, size 6 1/4, no. 38535, maker's mark.
Auctioneer:
Skinner
Date:
2007-06-12
Platinum, Violet Sapphire, and Diamond Ring, Oscar Heyman, prong-set with an emerald-cut sapphire measuring approx. 10.45 x 9.00 x 6.25 mm, framed by step-cut and Read more…
Auctioneer:
Skinner
Date:
2016-06-07
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 Read more…
Auctioneer:
Skinner
Date:
2015-09-29
Platinum, Sapphire, and Diamond Ring, Oscar Heyman, set with full-cut diamonds and step-cut sapphires, no. 58830, size 6 1/2. Read more…
Auctioneer:
Skinner
Date:
2013-12-10
18kt Gold, Sapphire, and Diamond Ring, Oscar Heyman, size 3 3/4, partial number, maker's mark. Estimate $200-300 Sized. Items may have wear and tear, imperfections, Read more…
Auctioneer:
Skinner
Date:
2019-03-04
18kt Gold, Sapphire, and Diamond Ring, Oscar Heyman, with calibre-cut sapphires and full-cut diamonds, no. 32911, size 6, maker's mark. Estimate $2,000-3,000 The absence of Read more…
Auctioneer:
Skinner
Date:
2018-05-15
Oscar Heyman Platinum, Pink Sapphire, and Diamond Ring, set with a pear-shape pink sapphire weighing 7.16 cts., and one pear- and nine oval-cut diamonds, total Read more…
Auctioneer:
Skinner
Date:
2020-11-17
Oscar Heyman 18kt Gold, Sapphire, and Diamond Ring, with channel-set sapphires and full-cut diamonds, size 6 3/4, no. 29969, signed. Estimate $600-800 6.1 dwt Items Read more…
Auctioneer:
Skinner
Date:
2020-11-10
Platinum, Emerald, and Diamond Ring, Oscar Heyman, 1963, prong-set with a full-cut diamond weighing 0.82 cts., in a tapering baguette emerald and diamond mount, Read more…
Auctioneer:
Skinner
Date:
2009-06-16
Platinum, Star Sapphire and Diamond Bracelet, Oscar Heyman, Bailey Banks & Biddle, 1960, prong-set with eleven star sapphires weighing 24.87 cts., interspersed with twenty-two full-cut Read more…
Auctioneer:
Skinner
Date:
2005-06-14
Platinum, Sapphire and Diamond Bracelet, Oscar Heyman, composed of square cut-corner and trapezoidal step-cut sapphires, joined by full-cut diamond bars and shaped links, lg. 7 Read more…
Auctioneer:
Skinner
Date:
2005-09-20
