One of Lucy's favorites from the collection, the Lucy Williams Square Snake Chain Necklace has a four-sided shape and scale-like chain that makes it an essential layering piece - let it take pride of place as a retro starting point for all your looks. Also available in the Square Snake Chain Bracelet. Layer for less when bought as a set Iconic Lucy Williams Mother Of Pearl Necklace Set. Metal: 18k Gold Plated Vermeil on Sterling Silver Chain Dimensions: Total length 450mm with extensions from 410mm to 450mm Chain width: 1.5mm Weight: 8.6g