Build a stunning Oval Cut, 0.7 Carat engagement ring with a stone from our wide selection of loose diamonds. Once you find the best stone for you, choose from one of our unique ring settings and metal choices, including platinum and rose gold. You can trust that our loose diamonds are certified and responsibly sourced; each one comes with a detailed AGSL or GIA grading report. Contact our free, non-commissioned virtual gemologist service or our excellent customer service team if you run into any issues or questions along the way. Preview your custom wedding ring or diamond engagement ring for free at any of our authorized local jewelers.