Use our diamond education to learn about Round Cut, 0.6 Carat loose diamonds and craft the perfect custom ring she'll appreciate forever. All Ritani products are responsibly sourced and come with a certification report from the credible diamond agencies GIA or AGSL. Once you've discovered the stone that's right for you, shop our wide range of engagement ring settings and metals, including sought-after rose gold styles. Contact our non-commissioned virtual gemologist or our excellent New York based customer service team if you need help or guidance while choosing and purchasing your diamond. Ritani offers free in-store previews of our diamonds and wedding rings at any of our local jeweler partners, located across the United States.