This elegant station necklace is crafted in 18-karat gold over .925 sterling silver and features vibrant agate gemstones for a sophisticated floral-inspired look. Agate gemstones Lobster claw clasp Material: 18-karat gold over .925 sterling silver Imported Approximately 17in long with 2in extender 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.