Find the Si1 loose diamond of her dreams and view it in store before you buy. All Ritani products are ethically sourced and come with a certification report from the established diamond agencies GIA or AGSL. After you select the stone that's right for you, complete your ring with a style from our diverse selection of ring settings, from simple solitaires to sparkling Art Deco-inspired halos. Contact our free virtual gemologist or our skillful 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 wedding ring in person and try before you buy.