A Platinum, Colombian Emerald and Diamond Ring, containing one octagonal step cut emerald measuring approximately 15.34 x 15.13 x 6.10 mm and 16 round brilliant cut diamonds weighing approximately 2.97 carats total.Accompanied by an American Gemological Laboratories emerald identification and origin certificate number CS 1075967, dated June 16, 2016, stating Mineral Type: Natural Beryl, Variety: Emerald, Origin: Colombia, Clarity Enhancement: Insignificant, Type: Traditional. 16.50 dwts.