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oscar heyman brothers
17 avril 2017

Platinum, Sapphire and Diamond Bracelet, Oscar Heyman & Brothers

Platinum, Sapphire and Diamond Bracelet, Oscar Heyman & Brothers
Lot 248. Platinum, Sapphire and Diamond Bracelet, Oscar Heyman & Brothers. Estimate 75,000 — 100,000 USD. Photo: Sotheby's. Set with five oval-shaped and cushion-cut sapphires weighing approximately 44.00 carats, accented by old European-cut diamonds...
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14 avril 2014

18 karat gold, platinum, invisibly-set ruby and diamond flower brooch, Oscar Heyman & Brothers

18 karat gold, platinum, invisibly-set ruby and diamond flower brooch, Oscar Heyman & Brothers
18 karat gold, platinum, invisibly-set ruby and diamond flower brooch, Oscar Heyman & Brothers. Photo Sotheby's Of floral design, the petals set with numerous invisibly-set rubies weighing approximately 109.80 carats, centering round diamonds weighing...
2 avril 2014

A diamond and ruby flower brooch, by Oscar Heyman & Brothers

A diamond and ruby flower brooch, by Oscar Heyman & Brothers
A diamond and ruby flower brooch, by Oscar Heyman & Brothers. Photo: Christie's Images Ltd 2014 Designed as a flower blossom with circular-cut ruby and diamond petals, to the baguette-cut diamond stem and marquise-cut diamond leaves, mounted in platinum....
30 janvier 2009

Sapphire and diamond ring, Oscar Heyman & Brothers, circa 1950

Sapphire and diamond ring, Oscar Heyman & Brothers,  circa 1950
Sapphire and diamond ring, Oscar Heyman & Brothers, circa 1950 The modified rectangular panel set with 6 calf's-head cut sapphires weighing approximately 12.00 carats, framing a square emerald-cut sapphire weighing approximately 6.75 carats, quartered...
27 novembre 2008

17.84 carats sapphire and diamond ring, Oscar Heyman & Brothers

17.84 carats sapphire and diamond ring, Oscar Heyman & Brothers
17.84 carats sapphire and diamond ring, Oscar Heyman & Brothers Claw-set with a cushion-shaped sapphire weighing 17.84 carats, within a line of pear-shaped diamonds, further decorated with brilliant-cut stones, mounted in yellow gold and platinum, numbered....
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27 novembre 2008

Pink sapphire and diamond ring, Oscar Heyman & Brothers

Pink sapphire and diamond ring, Oscar Heyman & Brothers
Pink sapphire and diamond ring, Oscar Heyman & Brothers Set at the centre with a cushion-shaped pink sapphire between shield-shaped diamonds, within a border of square-, calibré-cut and baguette diamonds, further decorated with similarly cut pink sapphires,...
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