18K White Gold Round Blue Sapphire Center With Double Diamond Halo & Triple Split-Shank RingSpectacular 18K white gold ring featuring a round blue sapphire with double cushion shape halo. Round brilliant cut diamonds form a double halo around the sapphire trail down the triple partial split shank. The center stone is held by rounded dual prongs. All diamonds are prong set. Farther down past the diamonds, the lower shank is high polish solid white gold.