细节
A STAR SAPPHIRE AND DIAMOND RING
Set with a cabochon star sapphire weighing approximately 51.08 carats, within a brilliant-cut diamond surround, to the similarly-cut diamond shoulders, mounted in platinum, ring size 6½
Accompanied by report no. GRS2014-038285 dated 7 March 2014 from the Gem Research Swiss Lab stating that the star sapphire weighing 51.08 carat is of Sri Lanka origin, with no indication of thermal treatment