Shop our expanded selection of Radiant Cut, 2.5 Carat diamonds and build the perfect women's wedding ring today. All of Ritani's high quality loose diamonds are examined by the GIA or AGSL, complete with a detailed grading and certification report. When you've discovered your gemstone, you can then peruse our large selection of engagement ring settings and metal configurations, such as palladium or yellow gold. If you want advice along the way, you should engage with our virtual gemologist or customer service team. When you've chosen your diamond or wedding ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from Los Angeles, CA to New York City.