A Platinum and Sapphire Ring, Graff, containing one oval high dome cabochon cut sapphire weighing approximately 12.08 carats within a bezel setting above the graduated fluted shoulders.Stamp: Graff 12.08.Accompanied by an American Gemological Laboratories sapphire identification certificate number CS 69678, dated August 24, 2015, stating Mineral Type: Natural Corundum, Variety: Sapphire, Origin: Ceylon (Sri Lanka), Enhancement: Heat, Clarity Enhancement: None. 12.70 dwts.