Lifetime Warranty, quality assured for LIFE at Adamans & passes the diamond tester. Our moissanite is industry leading and is completely colourless. Some brands use moissanite that has a slight yellow hue, meaning it's not completely colourless and does not imitate a real diamond. Our moissanite outshines everything. They have a Mohs hardness rating of 9.25 out of 10 and will test positive as diamonds on most handheld diamond testers. If you want a large-carat, white gemstone, but you don’t have the money for a large diamond, moissanite is the way to go it costs thousands less than Diamonds. Material: Pure 925 Sterling SilverStone Type: VVS Clarity, D Colour, Excellent Cut Moissanite Stones (GRA Report Included)Width: 5mm Round Ideal Cut Diamond Equivalent Carat Weight Engraved Stone Moissanite 0.5 Carat 5mm VVS1 Certificate GRA