Shop our deep selection of 0.5 Carat diamonds and build the perfect women's wedding ring today. Each and every loose diamond from Ritani comes with a report from the AGSL or GIA and is ethically sourced. Once you've discovered the stone that's right for you, shop our wide range of engagement ring settings and metals, including trendy white gold styles. If you need help along the way, you may engage with our customer service team or virtual gemologist. When you've chosen a loose stone or engagement ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from Irvine, CA to New York City.