.925 sterling silver plated Turquoise gemstones = approximately 2.25 ct. tw. Approximately 6.5in long Cuff Bracelet comfortably fits a size 6.5-7.5in wrist 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.