What is Moissanite? Moissanite is also known as silicon carbide. In nature, silicon carbide is created over millennia by a combination of extreme heat and pressure. These gems are more durable than , sapphire, ruby, or emerald. Why choose moissanite? Moissanite is the best replacement to real and can be 100% passed by a pen, but it's more sparkling, brighter than the real and the fire is also more stunning. Moissanite have the optical and physical properties of South African s. The colorful light is more than 2.5 times that of South African s. Mohs scale hardness 9.25, the hardest gemstone second to . it is a better choice of jewelry making. The Brilliance Refractive Index of moissanite is 2.65, that it's even twice as shiny as a (Brilliance Refractive Index: 2.42) Fits for Any Occasions: Birthday Mother's Day Wedding Anniversary Party with friends Romantic occasions Women and Men Jewelry Care Tips: 1.Avoid perfume,lotion or sunscreen 2.Avoid collide,grind,or fire 3.Do not wear when sweating / washing / sleeping 4.Do not clean with chemicals 5.Use soft cloth to clean 6.Put into box when not use Specification: Gem Type: Moissanite Color: D Color Stone Shape: Princess Cut Clarity: VVS1 Metal: Sterling Silver Setting: 4 Prong Package Included: 2 x moissanite earrings 4 x earring backs 1 x silver cloth 1x GRA certificate 1 x Jewelry Box