Banana Republic A simple genuine freshwater pearl choker makes a sophisticated statement and dresses up anything from a preppy polo to a simple silk top.,Click here for the Necklace Length Guide> Due to the natural construction of this item, slight variations in size and color may occur. Freshwater pearls. Hand knotted between pearls. Measures 6 7mm diameter. Measures 15 3/4" long with 2" extender. Silver plated lobster clasp closure.