Find the Round Cut, 5 Carat loose diamond of her dreams and view it in store before you buy. 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 discovered the stone that's right for you, shop our wide range of engagement ring settings and metals, including favored palladium styles. 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 designer jewelry in-person, for free.