Gemstone Type:Synthetic (lab created) Gemstone Material:Moissanite Gemstone Shape:Emerald Cut Treatments Applied:Heat Optical Special Effects:Color Play or Fire Clarity:VVS-VS Cut:Excellent Cut Moh's hardness:9.25 Refractive Index:2.65~2.69 Available Color Grade:D-E-F-G-H-I Available Sizes:4x2mm-14x9mm Application:For Jewelry Making Available Shape:Round Oval Cushion Pear Asscher Square Radiant Emerald Princess Heart Certificate:Charles&Colvard Certificate Packing:Diamond Box Show More