Order through our website and ship your Oval Cut, 0.5 Carat diamond engagement ring to a local Ritani jewelry store near you (US only). Each of Ritani's ethically sourced loose diamonds comes with its very own GIA or AGSL certification report, detailing the diamond's 4C grades. After you select the stone that's right for you, complete your ring with a style from our diverse selection of ring settings, from timeless solitaires to sparkling antique halos. Contact our expert virtual gemologist or our superb New York based customer service team if you need help or guidance while choosing and purchasing your diamond. Visit one of our national jeweler partners, located across the country, to take advantage of our free in-store preview program and see your unmounted diamond or wedding ring in person (US only).