Chrome Tourmaline 1.00ct Solid 18K Gold Ring

Usambaru Chrome Tourmaline 1.00ct, Dimensions of Tourmaline = 7.34 * 5.09 * 3.75mm, October Birthstone, 8th Wedding Anniversary Ring, Solitaire Ring, Natural and Untreated, Oval Shape, Excellent Cut, Clarity = VVS, Doubly Refractive, Refractive Index = 1.62 - 1.64, Usambaru Tourmaline is sourced from Tanzania, Gold Purity = 18K Solid Yellow Gold, Gold Hallmark, Ring Weight = 5.12g, Bezel Setting, Ring Size = 7,