Buy online and ship your Oval Cut, 1.7 Carat 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. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including classic solitaire and art deco halo ring settings. Contact our free virtual gemologist or our skillful New York based customer service team if you need help or guidance while choosing and purchasing your diamond. You can examine your diamond or finished wedding ring at any one of our regional jeweler partners, positioned all over the US.