GIA Certified and Rodrigo Giraldo Certified Colombian Emerald, Diamond and 18 Karat White Gold Ring. Emerald with vivid saturation of color; measures 9.40 x 7.65 x 6.03mm (GIA Report). Stamped 18K. Very good condition. Ring size 6-1/2. Approx. weight: 5.4 grams. GIA Report 2183986870 dated 1/3/2018,