Emerald .50ct Solid 18K Yellow Gold Ring

Columbian Emerald .50ct, Dimensions of Emerald = 4.12 * 3.77 * 3.25mm, Emerald Solitaire, May Birthstone, 20th and 35th Wedding Anniversary Ring, Natural and Untreated (Not Even Oiled), Emerald Shaped, Excellent Cut, Clarity = VVS, Doubly Refractive, Refractive Index = 1.59 - 1.60, Emerald is sourced from Columbia, Gold Clarity = 18K Solid Gold, 750 Gold Hallmark, Ring Weight = 4.89g, Ring Size = 7,