Choose and preview your F Color diamond at one of our reputable nationwide jewelers (US only). All of Ritani's high quality loose diamonds are evaluated by the GIA or AGSL, complete with a detailed grading and certification report. After you've chosen the perfect one, browse our large inventory of ring setting options, such as the vintage halo engagement ring or the ageless solitaire setting. Our excellent customer service team and expert gemologist service will provide any assistance or guidance you need during the selection process. 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.