Choose from our varied range of Marquise Cut diamonds so you can build the perfect wedding ring, pendant, or pair of diamond earrings. Each of Ritani's ethically sourced loose diamonds comes with its very own GIA or AGSL certification report, detailing the diamond's 4C grades. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including unique solitaire and antique halo ring settings. If you encounter questions as you're shopping for a diamond, try our virtual gemologist for live advice from a non-commissioned expert. When you've chosen a loose stone or wedding ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from San Diego, CA to New York City.