"Moissanite" is a new category of gemstones with fire, brilliance and lustre more than any other gemstones in the world including diamonds. We say it "Discover Moissanite Better Than Diamond". 1/10th the price of Diamonds set in 18k Gold with 100% BuyBack. Only a lab can tell you the difference and NO ONE else. On a Diamond Tester, Moissanite test as diamonds.