About the brand: Elegant and empowering fine jewelry. 14-karat white gold Round-cut Prong-set Diamond = approximately 1.01 ct. tw.; color = H-I; clarity = SI1-SI2 London Blue Topaz gemstones = approximately 2.20 ct. tw. Approximately 18in long Measures approximately 0.6635in high x 1.0325in wide 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.