This Venetian 5007CU features a 5 carat Pear shaped Emerald, surrounded by a custom halo of smaller round diamonds, and set onto a split shank. The antique beading paired with the green color really gives this ring an vintage feel. 

http://www.verragio.com/Verragio-Engagement-Rings/Venetian-Engagement-Rings/VENETIAN-5007CU