An 18 Karat Yellow Gold, Ruby and Diamond Ring, Trio, containing one oval shape cabochon cut ruby measuring approximately 12.82 x 10.22 x 5.42 mm and 12 round brilliant cut diamonds weighing approximately 0.46 carat total, the gallery and shoulders finished in a fluted texture. Stamp: TRIO 750.Accompanied by an American Gemological Laboratories ruby identification and origin certificate number CS 66162, dated February 19, 2015, stating Mineral Type: Natural Corundum, Variety: Ruby, Origin: Kenya, Enhancement: No gemological evidence of heat, Clarity Enhancement: None. 7.90 dwts.