Use our diamond education to learn about Emerald Cut, D Color loose diamonds and craft the perfect custom ring she'll appreciate forever. When you buy from us, you can be assured your diamond was ethically 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 classic solitaires to sparkling vintage halos. Our excellent customer service team and expert gemologist service will provide any assistance or guidance you need during the selection process. Visit one of our regional jeweler partners, located across the country, to take advantage of our free in-store preview program and see your unattached stone or wedding ring in person (US only).