细节
A SAPPHIRE AND DIAMOND RING
Set with a cushion-shaped sapphire weighing 14.16 carats, flanked by half-moon diamonds, mounted in 18k white gold, ring size 5¼
Accompanied by report no. 60737 dated 3 October 2011 from the SSEF Swiss Gemmological Institute stating that the 14.16 carat sapphire is of Burma (Myanmar) origin, with no indications of heating
Also accompanied by report no. GRS2004-030435T dated 31 March 2004 from the Gem Research Swiss Lab stating that the 14.16 carat sapphire is of Burma (Myanmar) origin, blue colour (GRS type "royal blue"), with no indication of thermal treatment