Freshwater Cultured Pearl Initial I Pendant Sterling Silver Necklace 16 Inches Customize your jewelry box with this initial necklace. On an 16in chain, with a 4mm pearl, this 0.4in charm is a rhodium plated alphabet necklace that will shine for a long time to come. No matter what &#034;I&#034; stands for in your life, this is a great, subtle accessory. Measure: 0.4 inch With 16in Chain, Weight: 2.2 Grams<br> Pearl 4mm, Material: .925 Sterling Silver, Rhodium Plating, Freshwater Cultured Pearl.