GIA Certified Chrome Tourmaline 3.57ct 18K Ring

Chrome Tourmaline 3.57ct, 8th Wedding Anniversary Ring, October Birthstone, Dimensions of Tourmaline = 11.68 * 9.30 * 6.11 mm, Natural and Untreated, Oval Shape, Excellent Cut, Modified Brilliant Cut, Clarity = VVS/IF, Tourmaline is sourced from Tanzania, Doubly Refractive, Refractive Index = 1.62 - 1.64, Ring Weight = 5.48g, Gold Purity = 18K Solid Yellow Gold, Ring Size = 7.00.