This Vivid Blue Sapphire and Diamond ring features an oval sapphire weighing 5.90 carats with vivid blue color (GRS type "Royal Blue") with a GRS certificate. The center sapphire is accented by round brilliant cut diamonds in a halo around the center stone and down the sides of the ring weighing 2.52 carats combined total weight with F-G color and VS clarity. This ring is custom made in platinum.