GIA Cert Emerald 3.70ct Diamonds 18K Gold Ring

GIA Certified, Report Number = 2201271994, Columbian Emerald 3.70ct, Dimensions of Emerald = 9.06 * 7.50 * 5.45 mm, May Birthstone, 20th and 35th Wedding Anniversary Ring, Natural and Untreated (Not Even Oiled), Emerald Shape, Excellent Cut, Step Cut Doubly Refractive, Refractive Index = 1.59 - 1.60, Emerald is sourced from Columbia, Diamonds = 6pcs .18ct, Gold Purity = 18K Solid Yellow Gold, Ring Weight = 5.77g, Ring Size = 8.50, Ideal Wearing for Special Occasions or for the Gem Collection