A Fine Platinum, Aquamarine, Sapphire and Diamond Brooch, Julius Cohen, containing nine fancy pear shape mixed cut aquamarine weighing approximately 30.39 carats total, five cabochon cut sapphires weighing approximately 5.73 carats total, and 66 round brilliant and single cut diamonds weighing approximately 0.76 carat total.Stamp: Julius Cohen.Accompanied by an American Gemological Laboratories sapphire identification certificate number CS 1075961, dated June 16, 2016, stating Mineral Type: Natural Corundum, Variety: Sapphire, Origin: Burma (Myanmar), Enhancement: None, Clarity Enhancement: None. 16.30 dwts.