Uneek Oval Sapphire-Centered Three-Stone Engagement Ring with Trapezoid Diamond SidestonesRoyal blue is a romantic color, especially if it comes in the form of an imposing sapphire center stone; this three stone engagement ring from Uneek's Royal Blue Collection lets modernism have its day, but not without softening it with an oval blue sapphire center; crafted in glorious, it carries a total of 39 round diamonds, along the halos surrounding the center and the trapezoid cut sized, and down the shank.