GIA Chrome Tourmaline 2.80ct Solid 22K Gold Ring

GIA Certified Chrome Tourmaline 2.80ct, 8th Wedding Anniversary Ring, October Birthstone, Dimensions of Chrome Tourmaline = 10.13 * 8.18 * 5.41 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 = 4.67g, Gold Purity = 22K Solid Yellow Gold, 916 Gold Hallmark Inscribed by Bahrain Govt Authorities, Ring Size = 8