Royal Blue Sapphire 2.06ct Solid 21K Gold Ring

Blue Sapphire 2.06ct, Dimensions of Sapphire = 7.89 * 6.39 * 4.50 mm, September Birthstone, 5th and 45th Wedding Anniversary Ring, Natural and Untreated, Oval Shape, Excellent Cut, Clarity = VS, Blue Sapphire is sourced from Nigeria, Doubly Refractive, Refractive Index = 1.76 - 1.77, Ring Weight = 4.66g, Ring Size = 7, Gold Purity = 21K Solid Yellow Gold, Saudi Arabian Govt Authorities Gold Hallmark, Ideal as engagement ring or for the Gem Collection,