This unique blue sapphire floating halo ring is crafted in gleaming 14-karat white gold and features an octagon-cut, prong set blue sapphire at its center with 48 round cut, buttercup set sparkling diamonds in a floating halo as well as studded along its band. Whether worn as an engagement ring or simply a gorgeous gemstone addition, this ring is sure to add a touch of elegance and style to any ensemble. Blue sapphire is the featured birthstone of the month of September.