Browse and build her a unique Radiant Cut, Si1 diamond engagement ring with a one-of-a-kind setting she'll cherish for life. Each of Ritani's ethically sourced loose diamonds comes with its very own GIA or AGSL certification report, detailing the diamond's 4C grades. 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. For expert advice while your shopping, you can question our gemologist or helpful customer service team. You can examine your diamond or finished wedding ring at any one of our regional jeweler partners, positioned all over the US.