Uneek Elongated Cushion-Cut Sapphire Three-Stone Engagement Ring with Trapezoid-Cut Diamond SidestonesTake her breath away with this dazzling alternative engagement ring, featuring a 3. 13 carat cushion cut royal blue sapphire center surrounded by a halo of U pave set round brilliant cut white diamonds, and flanked by a pair of symmetrical trapezoid cut side diamonds (the sides are also surrounded by their own halo of rounds); handcrafted in luxurious, the upper shank is also lined with white diamonds, for that extra sparkle; from Uneek's Royal Blue