Shop our broad selection of 1.1 Carat diamonds and build the perfect ring today. All of Ritani's high quality loose diamonds are analyzed by the GIA or AGSL, complete with a detailed grading and certification report. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including 6 prong solitaire and three stone halo ring settings. Contact our expert virtual gemologist or our superb New York based customer service team if you need help or guidance while choosing and purchasing your diamond. We have partnered with local jewelry stores across the US so that you can see your loose diamond or designer jewelry in person and try before you buy.