A COLORED SAPPHIRE, SAPPHIRE AND DIAMOND RING, BY OSCAR HEYMAN & BROTHERS
Set with an oval-cut yellow sapphire, measuring approximately 20.62 x 15.35 x 11.95 mm, within an oval-cut diamond and circular-cut sapphire surround, ring size 7, mounted in gold
With maker's mark for Oscar Heyman & Brothers
Accompanied by report no. CS 1077541 dated 10 August 2016 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this yellow sapphire would be classified as Ceylon (Sri Lanka), with no gemological evidence of heat or clarity enhancement
A COLORED SAPPHIRE, SAPPHIRE AND DIAMOND RING, BY OSCAR HEYMAN & BROTHERS
Set with an oval-cut yellow sapphire, measuring approximately 20.62 x 15.35 x 11.95 mm, within an oval-cut diamond and circular-cut sapphire surround, ring size 7, mounted in gold
With maker's mark for Oscar Heyman & Brothers
Accompanied by report no. CS 1077541 dated 10 August 2016 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this yellow sapphire would be classified as Ceylon (Sri Lanka), with no gemological evidence of heat or clarity enhancement
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