Ringjewel 0.96 Ct Vs1 Blueish Green Color Pear Cut Loose Synthetic Moissanite Dimension:5.31 mm ( length ) 7.40 mm ( width ) It will not look like a piece of rock salt, like cubic zirconia, after two weeks Natural diamond hardness is 10 & moissanite hardness is 9.25 Diamond & moissanite maintains its clarity and sparkle throughout a lifetime. Diamond & moissanite has a same process for polish diamond as a manually.