.925 Sterling Silver 2 Carat TDW Black Diamond Screw-Back 4-Prong Classic Stud Earrings (Color-Enhanced, I2-I3). Add this stunningly unique diamond stud earrings to your jewelry collection and impress all your girlfriends. This beautiful pair of treated black studs are made from the finest .925 sterling silver, and is embellished with treated, black princess-cut diamonds in a prong setting. The total diamond weight is 2 carat, and is sure to dress up any outfit of yours. Wear this to a black tie event or a casual dinner out and enjoy the glamour it provides. Each diamond weighs approximately 1 carat. Total Dimensions: 6 x 6 x 6. Product Gram Weight: 3.24 Grams.