Crafted from 9 karat yellow gold, the Cerulean sapphire ring is set with a single 0.89 carat Ceylon blue sapphire - one of the finest sapphires in the world. To accentuate it's unusual cornflower and royal blue hues, a modern star-style half-halo of white diamonds in white gold has been added as the perfect finishing touch to this show-stopping oval sapphire ring.