Build a one-of-a-kind Asscher Cut, 5 Carat engagement ring with a stone from our wide selection of loose diamonds. Continue designing your custom engagement ring with one of our gleaming metal options or one-of-a-kind ring settings, from modern bezel settings to antique-inspired halo engagement rings. You can trust that our loose diamonds are certified and ethically sourced; 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 ring for free at any of our authorized local jewelers.