About Item: Brand: LOTUS MAPLE, Material: Lab Grown Diamond, Shape: Princess, Color, Grade: DE, Clarity Grade: VVS, Certificate Report: This listing loose diamond not including certificate, Guarantee: Test Positive, Carat Weight: 0.025-1.0Ct(1.5*1.5 to 5.3*5.3mm), 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.