18K Gold Non-Tarnish Star and Pearl Layered Necklace 18K Gold Plating Stainless Steel Pearl Pendant Size (inch): 4.72 Diameter Layered 1: Chain Length (inch): 16.92 Layered 2: Chain Length (inch): 18.5 Layered 3: Chain Length (inch): 20.86 Extension Length (inch): 1.96 - Lead-free, Nickel-safe - Hypoallergenic - Water Resistant