IGI Certified 1ct TW Round Diamond Stud Earrings in 14K White Gold with Screw Backs 1ct total weight means 1/2ct each screw-backs for added security IGI Certified J-K, I1-12 ( minimum grade). IGI Box, evaluation card and tags inclduded 14K White Gold is Rhodium Finished All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free. The Amanda Rose Collection carries a variety of fine jewelry. Our collection includes diamond, gemstone, gold, and fashion jewelry. 1ct total weight means 1/2ct each screw-backs for added security IGI Certified J-K, I1-12 ( minimum grade). IGI Box, evaluation card and tags inclduded 14K White Gold is Rhodium Finished IGI Evaluation Card and Box included. Each earring is tagged by IGI All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free.