A Platinum, Sapphire and Diamond Ring, containing one cushion cut sapphire weighing approximately 13.16 carats, four round brilliant cut diamonds weighing approximately 0.40 carat total, and six tapered baguette cut diamonds weighing approximately 0.30 carat total.Stamp: 585.Accompanied by an American Gemological Laboratories sapphire identification certificate number CS 1073392, dated February 16, 2016, stating Mineral Type: Natural Corundum, Variety: Sapphire, Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat, Clarity Enhancement: None. 5.70 dwts.