Build a personalized Princess Cut, 0.9 Carat engagement ring with a stone from our wide selection of loose diamonds. Once you find the best stone for you, choose from one of our stunning ring settings and metal choices, including platinum and rose gold. All of our ethically sourced diamonds are certified with their own GIA or AGSL grading report. If you run into any questions during your purchase, you can consult our detailed diamond education or get expert advice from our virtual gemologist. When the selection process is complete, you can preview your diamond or custom jewelry for free at any of our authorized local jewelers.