Platinum & 18k YG Antique Sapphire & Diamond Double Halo RingThis gorgeous antique halo ring is made in platinum and 18k yellow gold, as well diamond and blue sapphire. The center of the ring features a bright white, . 21 carat, Old European Cut diamond that is surrounded by a halo of mix cut sapphires. Surrounding the halo of sapphires is yet another halo of sparkly Old European cut diamonds. The double halo design is a fun twist on a very traditional style of ring that allows the wearer to add an extra touch