Emerald 1.05ct Solid 18K Yellow Gold Ring

Columbian Emerald 1.05ct, Dimensions of Emerald = 5.49 * 5.25 * 3.60mm, May Birthstone, 20th and 35th Wedding Anniversary Ring, Taurus Zodiac Ring, Natural and Untreated (Not Even Oiled), Oval Shape, Excellent Cut, Clarity = Si Type 3, Doubly Refractive, Refractive Index = 1.59 - 1.60, Emerald is sourced from Columbia Gold Purity = 18K Solid Yellow Gold Ring, 750 Gold Hallmark, Ring Weight = 3.94g, Ring Size = 6.75,