Buy online and ship your Asscher Cut, Good diamond ring to a local Ritani jewelry store near you (US only). Each of Ritani's loose diamonds comes with its own GIA or AGSL certification report, verifying that all of your diamond's details are correct. You can start here with a diamond, or start with one of our beautiful ring settings, including antique-inspired halos and contemporary bezel settings. Our skillful customer service team and non-commissioned gemologist service will add any assistance or advice you need during the selection process. Visit one of our local jeweler partners, located across the US, to take advantage of our free in-store preview program and see your loose diamond or engagement ring in person (US only).