Extremely Shiny Quality D Color Round Cut Moissanite Loose Stones 0.5-20.0ct VVS1 Certified Moissanite Lab Diamonds Pass Tester

The specific gravity of moissanite is 3.22, the specific gravity of diamond is 3.52, moissanite is about 10% lighter than diamonds of the same size, according to the standard lathe of a round diamond, when the diameter is 6.5mm, the general weight of the diamond is one carat, that is, 200mg, and according to the standard lathe of the round diamond, the weight of moissanite is only 160mg, which means it is about 90% of diamond! That is why all the moissanites are described by size and weight at the same time. But as the weight gap is very small, people almost cannot feel it, the moissanite is the best substitute of diamond!!!