Shop our broad selection of Oval Cut diamonds and build the perfect ring today. When you buy from us, you can be guaranteed your diamond was responsibly sourced and certified by either the GIA or AGSL. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including yellow gold solitaire and double 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 engagement ring, you can select to preview it in-person, for free, at one of our US based, local partner jewelers, from Irvine, CA to New York City.