Shop our broad selection of 1.9 Carat diamonds and build the perfect ring today. All of Ritani's high quality loose diamonds are evaluated by the GIA or AGSL, complete with a detailed grading and certification report. Once you've discovered the stone that's best for you, shop our wide range of engagement ring settings and metals, including popular platinum styles. Our excellent customer service team and expert gemologist service will provide any assistance or guidance you need during the selection process. You can preview your diamond or completed engagement ring at any one of our local jeweler partners, located all over the US.