Choose from our varied range of Marquise Cut, 1.3 Carat diamonds so you can build the perfect wedding ring, pendant, or pair of diamond earrings. All Ritani diamonds have been evaluated by a third party rating agency, and come with a comprehensive certificate that guarantees their 4C grades are correct. 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 free virtual gemologist or our skillful New York based customer service team if you need help or guidance while choosing and purchasing your diamond. When you've chosen a loose stone or engagement ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from Irvine, CA to New York City.