Shop our stunning selection of Radiant Cut, 1 Carat diamonds, perfect for a diamond engagement ring or pendant. Once you find the best stone for you, choose from one of our stunning ring settings and metal choices, including platinum and rose gold. You can trust that our loose diamonds are certified and conflict free; each one comes with a detailed AGSL or GIA grading report. Our diamond education and excellent customer service team are available to help if you come across questions or issues. Preview your custom wedding ring or diamond engagement ring for free at any of our authorized local jewelers.