Shop our large selection of Radiant Cut, 2.5 Carat, Good 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. After you select the stone that's right for you, complete your ring with a style from our diverse selection of ring settings, from simple solitaires to sparkling Art Deco-inspired halos. Use our customer service team and virtual gemologist to help assist you if you want experienced assistance. Visit one of our regional jeweler partners, located across the country, to take advantage of our free in-store preview program and see your unattached stone or wedding ring in person (US only).