This elegant necklace features lustrous Freshwater pearls in a sophisticated ombré design. White, grey, and black Freshwater pearls Hand-knotted on a silk cord Fisheye clasp closure Material: .925 sterling silver Imported Freshwater pearl measures approximately 7.5-8mm Approximately 18in long 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.