Uneek 12-Carat Radiant-Cut Fancy Yellow Diamond Halo Engagement Ring with Pave Silhouette Double ShankPull out all the stops for your proposal with this gorgeous yellow diamond engagement ring from Uneek's Natureal Collection. This ring features a massive 12 carat fancy yellow diamond at the center that's sure to blow her away. The intense yellow hue is enhanced by a halo of white round brilliant diamonds. Additional sparkling pave diamonds are set in the bridge under the head, down the flared shoulders and along the ribbon like double shank.