Burma Ruby, Diamond, Platinum Ring The ring features an oval-shaped ruby measuring 10.64 x 8.37 x 4.96 mm and weighing 4.65 carats, enhanced by tapered baguette-cut diamonds weighing a total of approximately 2.25 carats, set in platinum. A GIA report # 2125528702, dated September 03, 2010, statingNatural Corundum, Origin Burma (Myanmar), No Indications of Heating, accompanies the ruby. Gross weight 11.30 grams. Size: 7-1/2 (sizeable)