IGI Certified 1 1/2ct TW 14K White Gold Round Diamond Stud Earrings with Screw-Backs 1 1/2ct total weight, means 3/4ct each diamond 14K white gold settings and screw backs, white gold is rhodium finished. IGI Certified J-K I2- I3 (Minimum) . Carat weight per par may vary from 1.45 to 1.60 ct total. IGI Evaluation Card, Box and Tags on earrings included. All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free.