A Platinum, Diamond and Emerald Cameo Brooch, in an intricate openwork circular setting containing a bezel set high relief emerald cameo depicting a Classical female profile raised above the step cut octagonal ground and measuring approximately 15.77 x 13.11 mm, together with 130 old European cut diamonds weighing approximately 4.36 carats total.Accompanied by an American Gemological Laboratories emerald identification and origin certificate number CS 1072861, dated January 20, 2015, stating Mineral Type: Natural Beryl, Variety: Emerald, Origin: Colombia, Enhancement: Minor, Type: Traditional. 11.70 dwts.