Madewell Coin Freshwater Pearl Pendant Necklace Both dramatic and understated, this delicate gold chain necklace features a shimmery authentic freshwater coin pearl that'll have you singing Mother Earth's praises—it's that pretty. Length: 16" with a 3" extender chain for adjustable length. Gold-plated brass, freshwater pearl, cubic zirconia. Lobster clasp closure. Clean your jewelry after each wearing with a soft cloth. Import. Select stores. Item MB564