Shop our extensive selection of Princess Cut, 0.6 Carat diamonds and build the perfect ring today. Each of Ritani's loose diamonds comes with its own GIA or AGSL grading report, verifying that all of your stone's details are correct. When you've found your gemstone, you can then peruse our large selection of engagement ring settings and metal types, such as platinum or rose gold. If you encounter questions as you're shopping for a diamond, try our virtual gemologist for live advice from a non-commissioned expert. We have partnered with local jewelry stores across the US so that you can see your loose diamond or engagement ring in person and try before you buy.