Center Gem Type: Moissanite & Simulated Cubic zircon Center Stone: Moissanite Color: Near White & White Moissanite Weight: 3.11 Carat's # Of Earrings: 2 Single Earring Total Stone Weight: 4.16 Ct. Silver Information Silver Color Silver Purity: .925 Sterling Silver Total Weight: 4.30 Grams Silver Purity: .925 Each & every Diamond Tester will show as 100 % Hardness 9.25 ( Which is Near To Mined Diamond's 10 ) Please look at my other listings 9k , 10k , 14k and 18k solid gold jewlery and natural diamonds and ruby and emeralds. Also new 100% real moissanite GRA reports and GRA cards come with some of the rings, necklaces, and earings.