Shop our expanded selection of Round Cut, H Color diamonds and build the perfect women's wedding ring today. When you buy from us, you can be guaranteed your diamond was responsibly sourced and certified by either the 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 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 partners with local jewelers all over the United States so you can preview your designer jewelry in-person, for free.