Burma Sapphire, Diamond, White Gold Ring The ring features an oval-shaped sapphire measuring 10.40 x 9.20 x 4.57 mm and weighing approximately 3.30 carats, accented by square step-cut and full-cut diamonds weighing a total of approximately 1.65 carats, set in 18k white gold. A GIA report # 2171969023, dated November 7, 2016, stating Natural Corundum, No Indications of Heating, Geographic Origin Burma (Myanmar), accompanies the center stone. Gross weight 11.30 grams. Size: 7-1/2 (sizeable) HID03101062020 © 2020 Heritage Auctions | All Rights Reserved