Round Halo Cubic Zirconia Earrings Studs Material: cubic zirconia (cz) & brass metal base and butterfly clasp & 316L surgical stainless steel post Size of Earrings : around 10MM x 10MM Size of Center CZ: around 7MM x 7MM Plating: real platinum plating (white gold) CZ Color: Pink, Clear, Red, Emerald Green, Sapphire Blue