3.04 Blue Sapphire Diamond Halo Engagement Ring PlatinumThis engagement ring features a 3. 04 carat oval cut blue sapphire and . 86 carats of diamonds in platinum. The center sapphire displays a rich blue hue and sits in a protective half bezel setting with delicate milgrain detail. Two Cadillac cut diamonds (. 245 carats each) flank the sapphire, while a halo of round brilliant cut diamonds frames the center stone. Additional diamonds are channel and bezel set along the shoulders. The platinum band