This 18K white gold sapphire and diamond halo necklace designed by one of the top designers of New York. The pear-shaped sapphire set in a 3-prong setting in the side direction with a total carat weight of 0.82ct. The Halo of round diamonds set in micro prong settings have a total carat weight of 0.14ct. This necklaces special feature is the new adjustable chain design. The chain is 20" at full length and with a pull of the heart tab bring the chain to whatever length you want. - Sapphire is the birthstone for September - Sapphire is the anniversary stone for the 5th and 10th anniversary