IGI Certified 1/2ct tw Round Diamond Stud Earrings set in 14K White Gold with Screw-Backs 1/2ct total weight ( 1/4ct each diamond) 14K White Gold settings and Screw-Backs (Rhodium Finished) Velvet Earring Box Gift Ready- IGI Certificate 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. Each earring is tagged by IGI please inspect the diamonds before cutting the tags off.