This 18K white gold Emerald and diamond halo necklace is the perfect piece to bring a timeless and elegant air to any occasion and outfit. The oval cut emerald has a total carat weight of 0.40ct set in an oblong 4 prong setting. The diamond halo setting has a 18 round stones with a total carat weight of 0.09ct. The necklace features an all-new adjustable chain feature allowing you to adjust the length of the chain. The length of the cable chain is 18” at the longest point. The chain adjust by pulling the heart tab while holding the clasp.