Use our diamond education to learn about Princess Cut, G Color loose diamonds and craft the perfect women's wedding ring she'll admire forever. All of Ritani's high quality loose diamonds are certified by the GIA or AGSL, complete with a detailed grading and certification report. After you select the stone that's right for you, complete your ring with a style from our diverse selection of ring settings, from classic solitaires to sparkling vintage halos. 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. Ritani offers free in-store previews of our diamonds and engagement rings at any of our local jeweler partners, located across the United States.