Buy online and ship your Emerald Cut, 0.5 Carat diamond ring to a local Ritani jewelry store near you (US only). Each of Ritani's conflict free sourced loose diamonds comes with its very own GIA or AGSL certification report, detailing the diamond's 4C grades. Once you've selected your perfect stone, choose from a diverse range of engagement ring styles, including six prong solitaire and split shank halo ring settings. Use our customer service team and virtual gemologist to help assist you if you want experienced assistance. We have partnered with local jewelry stores across the US so that you can see your loose diamond or engagement ring in person and try before you buy.