Shop our extensive selection of Flawless diamonds and build the perfect ring today. All Ritani products are responsibly sourced and come with a certification report from the credible diamond agencies GIA or AGSL. When you've found your gemstone, you can then peruse our large selection of engagement ring settings and metal types, such as platinum or rose gold. Use our customer service team and virtual gemologist to help assist you if you want experienced assistance. When you've chosen a loose stone or wedding ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from San Diego, CA to New York City.