Uneek Cushion-Cut Fancy Yellow Diamond Engagement Ring with Double Halo and Silhouette ShankFew things are as darling and dreamy as a cushion cut fancy yellow diamond, and a cushion cut fancy yellow diamond surrounded by a gorgeous double halo of small, colorless round diamonds is one of them; what's more, this ring borrows the curvy double shank style from our Silhouette Collection of engagement rings; yes, we're going over the top on the gorgeous; from Uneek's Natureal Collection.