GIA Certified Tourmaline 5.15ct Solid 22K Gold Rng

Yellow/Green Tourmaline (Verdelite) 5.15ct, GIA Report Number = 2195376399, Dimensions of Tourmaline = 10.90 * 8.30 * 6.42 mm, Natural, Octagonal Shape, Excellent Cut , Clarity = VS, Tourmaline is sourced from Afghanistan, Doubly Refractive, Refractive Index = 1.62 - 1.64, Ring Weight = 5.83g, Ring Size = 6, Gold Purity = 22K Solid Yellow Gold, Bahrain Govt Authorities 916 Gold Hallmark, Ideal as engagement ring or for the Gem Collection.