Necklace chain and pendant. Necklace chain is rhodium plated, length is 16.5" + 3.88" extension chain. Extension chain is equipped with spring hook to give you the option to leave on the extension chain or to have it removed. Pendant is a a sapphire solitaire Cubic Zirconia, artistic design, Great fashion jewelry accessory for the holidays, Xmas and New Year, parties, and everyday.