Fine Jewels
拍品 516:
Centering upon an oval cabochon star sapphire weighing 11.30 carats, accentuated by the undulating tapered baguette-cut diamond rhombus border, to the plain shank, mounted in platinum, ring size 6¼
Accompanied by a report from the Gemresearch Swisslab, stating that the 11.30 carat natural star sapphire is blue color, originates from Sri Lanka and has no indication of thermal treatment, report no. GRS2013-088269, dated 15th August 2013
