Use our diamond education to learn about Round Cut, Vvs1 loose diamonds and craft the perfect custom ring she'll appreciate forever. All Ritani diamonds have been evaluated by a third party rating agency, and come with a comprehensive certificate that guarantees their 4C grades are correct. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including 6 prong solitaire and three stone halo ring settings. Use our customer service team and virtual gemologist to help guide you if you want expert assistance. Ritani partners with local jewelers all over the United States so you can preview your wedding ring in-person, for free.