A sapphire and diamond cluster ring
The oval-cut sapphire, weighing approximately 13.16 carats, within a brilliant-cut diamond surround between pear-shaped diamond shoulders, finger size N
Accompanied by report no. GRS2013-101694, dated 13th November 2013, from GemResearch SwissLab, stating that the sapphire showed no indication of thermal treatment, origin opinion: Burma (Myanmar).