14k Yellow gold Paperclip chain necklace featuring the sparkl signature lock and Swarovski crystal.24 can be extended to 26 The gold chains have 50mil of 14K Gold, and silver features 100mil of Sterling Silver. We hold the quality of our jewelry to a very high standard. This purchase is guaranteed with a lifetime warranty against discoloration. If the metal discolors, we will replate it for you at no extra cost.