About the brand: Handcrafted fine jewelry with a focus on sustainability. Part of the Bamboo Collection designed by John Hardy Round pendant with chain .925 sterling silver Oval bezel-set swiss blue topaz gemstone Round pave-set sky blue topaz gemstones Pendant approximately 1.5in wide x 2.5in long Chain approximately 36in long Lobster claw clasp 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.