Uneek 5-Carat Cushion-Cut Sapphire Engagement Ring with Dreamy Double Halo and Elegant Crisscross ShankTruly exceptional royal blue sapphire and diamond engagement ring, featuring a dazzling 5 carat cushion cut center, and accentuated by 126 round brilliant cut diamonds U pave set along the showstopping double halo and in two rows down the delicate looking crisscross shank; from Uneek's new Royal Blue Collection.