Fine Jewels
Lot 1770:
Set with a 17.53-carat cushion-cut color-change sapphire embellished with the marquise- cut diamond surround, mounted in platinum, diamonds weighing approximately 3.55 carats in total, ring size 5½
Accompanied by a report from the American Gemological Laboratories, stating that the 17.53 carat natural sapphire in different lights: from blue in daylight to purple in incandescent light, and has no gemological evidence of heat, report no. CS 57417, dated 24th October 2013
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