Platinum over Sterling Silver VG Moissanite Framed Round Ring, Size 7 Moissanite in its natural form is too rare and too small making it unsuitable for jewelry purposes. However, one century after it's discovery, through a combination of science, technology, and master gemcutting, created Moissanite is available for fine jewelry. Moissanite has 2.5 times the fire of a diamond Moissanite's hardness is 9.25 on the Mohs scale, second on to a diamond - But it is tougher than a diamond, making it less likely to chip or break. Each piece of Moissanite is hand-faceted by a master gem cutter to maximize it's brilliance and fire. Moissanite is actually more difficult to cut than a diamond. Diamond Equivalent Weight: 2 5/8 cttw Imported