Forever Brilliant! 14K Yellow Gold Threaded Screw Back Pair 5mm Each Forever Brilliant Moissanite (0.82CT TW Actual Weight, 1.0CT TW Diamond Equivalent Weight) Round 4 Prong Stud Earrings Pair of 5.0mm Each Round Cut Forever Brilliant Moissanite Stones (0.82CTW Actual Weight, 1.0CTW Diamond Equivalent Weight) Four (4) Prong 14k Yellow Gold Screw Back (Threaded) Round Stud Earrings Round Faceted Very Good Quality and Cut Charles & Colvard Created Moissanite With a hardness of 9.5 on the Mohs scale, it is the second hardest natural material known to man Includes a Charles and Colvard Certificate of Authenticity and Lifetime Limited Warranty Card Which Certifies That The Stone Will Never Lose Its Brilliance or Fire