A Fine 18 Karat Yellow Gold, Sapphire and Diamond Ring, containing one cushion cut sapphire weighing approximately 12.65 carats and 14 old mine cut diamonds weighing approximately 2.10 carats total.Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number CS 61923, dated June 30, 2014, stating Mineral Type: Natural Corundum, Variety: Sapphire, Origin: Classic Ceylon (Sri Lanka), Heat Enhancement: No gemological evidence of heat, Clarity Enhancement: None. 7.90 dwts.