About the brand: High-end jewelry steeped in opulence. This is an authentic, pre-loved De Grisogono piece. It's possible that there may be some gentle wear. 18-karat gold Pink Sapphire gemstones = approximately 2.00 ct. tw. Pendant drops approximately 1.57in Approximately 16.5in long with 3in extender 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. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined.