Discover the Cushion Cut, E Color loose diamond of her dreams and view it in store before you buy. 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. Once you've discovered the stone that's best for you, shop our wide range of engagement ring settings and metals, including stylish platinum styles. Contact our non-commissioned virtual gemologist or our excellent New York based customer service team if you need help or guidance while choosing and purchasing your diamond. Ritani partners with local jewelers all over the United States so you can preview your engagement ring in-person, for free.