Emeralds have fascinated mankind since antiquity with their empyreal green color. They continue to enthrall in modern times, and it's easy to see why with this stately Colombian emerald ring. Details 18K White Gold 17.20 Carat Octagonal-Shaped Colombian Emerald 1.65 Carats of White Diamond Side Stones Size: 6.75 (Resizable) This piece comes with an official Geublin and GRS Certificate.