Expertly crafted with 925 sterling silver, these stud earrings boast vvs moissanite diamonds and a screw back design for secure wear. Guaranteed to pass a diamond tester and comes with a GRA certificate. Versatile, hypoallergenic, and won't fall off - perfect for any occasion. Material 925 Sterling Silver Stone Type D Color VVS1 Moissanite Plating White Gold, 18K Gold Stone Cut Round Brilliant Cut Stone Setting Prong Setting Back Finding Screw Back Size 3mm/4mm/5mm/6mm/7mm/8mm/9mm/10mm Carat Weight 0.1ct/0.3ct/0.5ct/0.8ct/1.2ct/2ct/3ct/4ct/5ct Package Content One pair of Earrings, A GRA Certificate A dust bag, A gift box, A jewelry cloth and a warranty card.