This elegant sterling silver necklace features a faceted round-cut smoky quartz and diamonds totaling 1.26 ct. tw. Round-cut Prong-set Diamond = approximately 0.08 ct. tw.; color = I-J; clarity = I1 Smoky Quartz gemstones = approximately 1.18 ct. tw. Lobster claw clasp closure Material: .925 sterling silver Imported Pendant drops approximately 1/2in Approximately 16in 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. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined.