Shop our deep selection of Princess Cut, 1.6 Carat diamonds and build the perfect women's wedding ring today. All of Ritani's high quality loose diamonds are certified by the GIA or AGSL, complete with a detailed grading and certification report. After you've chosen the perfect one, browse our large collection of ring setting options, such as the unique halo engagement ring or the endless solitaire setting. If you bump into questions as you're selecting a diamond, try our virtual gemologist for live advice from a non-commissioned pro. We have partnered with local jewelry stores across the US so that you can see your loose diamond or wedding ring in person and try before you buy.