Uneek Precious Collection Halo Oval Blue Sapphire Engagement RingFor a striking and stunning look, choose this elegant sapphire engagement ring featuring a unique sunburst diamond halo. The combination of the 3. 15 carat oval sapphire's gleaming blue hue with the bright sparkle of round colorless diamonds creates a dramatic contrast that's utterly glamorous. This sapphire ring from Uneek's Royal Blue Collection features a split upper shank with two rows of delicate round diamonds for added shine from every angle.