This striking 18ct white gold necklace adorns a luxurious 0.24ct round brilliant cut blue sapphire, surrounded by a perfect halo of dazzling round brilliant cut diamonds with a total carat weight of 0.10ct. The contrast in bright white diamonds and deep blue sapphire really make this necklace pop! The pendant is fixed to a beautiful 18ct white gold belcher chain, which is 18 inches adjustable to 17 and 16 inches.