Shop our stunning selection of Princess Cut, 1 Carat diamonds, perfect for a diamond engagement ring or wedding band. After choosing your stone, pair it with the metal and setting of your choice, from Art Deco-inspired diamond halos to simple solitaire engagement rings. All of our products come with their own certification reports from the GIA or AGSL, the most reputable gemstone grading agencies. Our diamond education and excellent customer service team are available to help if you come across questions or issues. Once you've chosen your stone and built your stunning engagement ring, you can preview it obligation-free at one of our many local jeweler partners.