White Gold Sapphire Ring | 5 carat Unheated Cushion Royal BluePrepare to be dazzled by a ring that'll make your heart skip a beat! Picture this: a jaw dropping sapphire, as blue as the deepest ocean, set in a sparkling halo of diamonds. The star of this show is a massive 5 carat sapphire. It is unheated which means it is as natural as they come. The sapphire is also in the cushion cut which gives it an aura of femininity. This ring has a halo of glittering round diamonds. It is 0. 80 carats of pure fire and ice.