- 16" necklace with a 2.5" extender and clasp - Solid Sterling Silver Navajo Style Pearls 4mm pearls and center of bow 6mm Pearl. - Totaling 16" to 18.5" long necklace - This Navajo Pearl Bow necklace is a one of a kind and unique design from Thunder & Stone - This bow necklace is a must have in every girls collection and is sure to be the cutest conversation piece in your stack.