Shop our large selection of 0.8 Carat diamonds and build the perfect women's wedding ring today. All Ritani diamonds have been assessed by a third party rating agency, and come with a detailed certificate that guarantees their 4C grades are true. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including classic solitaire and art deco halo ring settings. Use our virtual gemologist or customer service team to further support you if you want professional assistance. When you've chosen your diamond or engagement ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from San Francisco, CA to New York City.