Choose from our diverse range of Cushion Cut, 0.5 Carat diamonds so you can build the perfect engagement ring, pendant, or pair of stud earrings. All Ritani diamonds have been analyzed by a third party rating agency, and come with a detailed certificate that guarantees their 4C grades are accurate. When you've discovered your gemstone, you can then peruse our large selection of engagement ring settings and metal configurations, such as palladium or yellow gold. Our superb customer service team and free gemologist service will give any assistance or direction you need during the selection process. Ritani partners with local jewelers all over the United States so you can preview your engagement ring in-person, for free.