Fine Jewels
拍品 804:
Set with an oval cabochon color-change star sapphire weighing 21.20 carats enhanced by the brilliant-cut diamond surround and bail, to the plain neck chain, mounted in platinum, pendant length 2.50 cm, neck chain length 45.00 cm
Accompanied by a report from the GemResearch Swisslab, stating that the 21.20 carat natural star sapphire shows color-change in different lights: from blue in daylight to pastel purple in incandescent light, originates from Sri Lanka and has no indication of thermal treatment, report no. GRS2014-028453, dated 21st February 2014
