14K White Gold 0.3Ct Simulated Brilliant Round Stud Screw Back Earrings 3mmOur CZ stud earrings are cut exactly like real diamonds with the same number of facets for optimal sparkle and they are super hard just like the real thing. No one will tell the difference! The diamonds are set in a highly secure, 4 prong designer style mountings that feature screw on, screw off posts and backings. The diamonds emit every shade of light that a natural diamond would emit. The radiance and fire of these created diamonds are equivalent,