Columbian Emerald .55ct Solid 18K Yellow Gold Ring

Columbian Emerald .55ct, Dimensions of Emerald = 4.68 * 3.63 * 3.88mm, Natural and Untreated (Not Even Oiled), Emerald Shape, Excellent Cut, Clarity = VVS, Doubly Refractive, Refractive Index = 1.59 - 1.60, Emerald is sourced from Columbia, Gold Purity = 18K Solid Yellow Gold , 750 Gold Hallmark, Ring Weight = 5.24g, Ring Size = 7.