An Art Deco Platinum, Ceylon Sapphire and Diamond Ring, containing one cushion shape mixed cut sapphire measuring approximately 8.90 x 8.10 x 5.84 mm and 16 old European cut diamonds weighing approximately 0.50 carat total, with later white gold shank.Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number 1093362, dated July 3, 2018, stating Mineral Type: Natural Corundum, Variety: Sapphire, Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat, Clarity Enhancement: None. 3.15 dwts.