Iolite 3.01ct Solid 18K Yellow Gold Ring

Iolite 3.01ct, Dimensions of Iolite = 12.00 * 8.46 * 5.48mm, 21st Wedding Anniversary Ring, Natural and Untreated, Oval Shape, Excellent Cut, Clarity = VVS/IF, Doubly Refractive, Refractive Index = 1.54 - 1.55, Iolite is sourced from Tanzania, Gold Purity = 18K Solid Yellow Gold, 750 Gold Hallmark, Ring Weight = 5.41g, Pronged Setting, Ring Size = 8,