Green Tourmaline 1.70ct Solid 22K Yellow Gold Ring

Green Tourmaline 1.70ct, Green Tourmaline Solitaire Ring, October Birthstone, Dimensions of Tourmaline = 8.53 * 6.49 * 4.97 mm, Natural and Untreated, Oval Shape, Excellent Cut, Clarity = VVS/IF, Tourmaline is sourced from Tanzania, Doubly Refractive, Refractive Index = 1.62 - 1.64, Ring Weight = 3.07g, Gold Purity = 22K Solid Yellow Gold, 916 Gold Hallmark inscribed by Bahrain Govt Authorities Ring Size = 6, Ideal as a Engagement Ring or for the Gem Collection,