About Item: Brand: LOTUS MAPLE, Material: Lab Grown Diamond, Shape: Round, Color, Grade: D, Clarity Grade: VVS1-VVS2, Certificate Report: IGI(Each stone of 0.3carat or more is given a certificate(IGI) and engraved the corresponding girdle code.), Guarantee: Test Positive, Carat Weight: 0.3CT—5.0CT, Cut Grade: 3EX(Excellent Cut, Excellent Polish, Excellent Symmetry), Fluorescence: Non, Chemical Composition: Carbon(Same as natural diamond) , Hardess: 10.0Mohs(Same as natural diamond), Refractive Index: 2.42(Same as natural diamond), Dispersion: 0.044(Same as natural diamonds), Density: 3.52(Same as natural diamonds), Shapes Provide: Round, Marquise, Oval, Pear, Princess, Rectangle, Octangle, Cushion, Emerald, Trillion, Heart, etc.