A SAPPHIRE AND DIAMOND NECKLACE, BY OSCAR HEYMAN & BROTHERS
Suspending a rectangular-cut sapphire, weighing approximately 11.08 carats, within an oval-cut diamond surround, to the oval-cut sapphire and circular-cut diamond neckchain, mounted in platinum, 15½ ins.
With maker's marks for Oscar Heyman & Brothers, pendant no. 902566, clasp no. 601485
A SAPPHIRE AND DIAMOND NECKLACE, BY OSCAR HEYMAN & BROTHERS
Suspending a rectangular-cut sapphire, weighing approximately 11.08 carats, within an oval-cut diamond surround, to the oval-cut sapphire and circular-cut diamond neckchain, mounted in platinum, 15½ ins.
With maker's marks for Oscar Heyman & Brothers, pendant no. 902566, clasp no. 601485
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