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© DALLAS AUCTION GALLERY, Dallas, TX, USA
Oscar Heyman diamond and emerald earringshaving twelve round brilliant and marquise cut diamonds 1.50 cts. approximate total H-I color VS2-SI1 clarity...
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OSCAR HEYMAN PLATINUM, EMERALD AND DIAMONDRINGcenter cushion cut emerald cabochon, 15.09cts, Colombian origin, insignificant treatment, GRS lab report GRS3013-031886, 40 round brilliant diamonds estimated total weight...
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ROSE GOLD, CITRINE, RUBY, DIAMOND RINGAmericanRetro 14 kt. Rose Gold, Citrine, Ruby and Diamond Dinner Ring , attr. to Oscar Heyman, c. 1940, set with on emerald cut citrine flanked by 4 full-cut diamonds and 6 calibre-cut...
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OSCAR HEYMAN & BROS. EMERALD AND DIAMONDRINGOscar Heyman and Brothers Platinum, Emerald and Diamond Ring, c. 1962, serial number 62506, set with an emerald-cut emerald, approx. 2.50 cts., in a ballerina setting...
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Oscar Heyman diamond and emerald earringshavingtwelve round brilliant and marquise cut diamonds 1.50 cts. approximate total H-I color VS2-SI1 clarity and ten round brilliant and marquise cut emeralds 1.64 cts. approximate...
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A Platinum Emerald and Diamond RingOscar Heyman containing seven round brilliant cut emeralds weighing approximately 0.61 carat total and seven marquise cut diamonds weighing approximately 1.40 carats total....
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Oscar Heyman emerald and diamond ringthe central emerald cut emerald 3.53 cts. approximate strong bluish green strong saturation even color distribution surrounded by 15 pear shaped diamonds 2.52 cts. approximate...
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