About the brand: From simple strands, to embellished pieces, the quality is unmistakable. 19-karat gold over .925 sterling silver Freshwater pearl measures approximately 3-6mm Pendant drops approximately 1.15in Approximately 18in long Lobster claw clasp closure It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.