This elegant necklace features a heart-cut amethyst and round-cut diamonds set in sterling silver with a total weight of 1.57 ct. tw. Faceted Round-cut Prong-set Diamond = approximately 0.02 ct. tw. Faceted Heart-cut Prong-set Amethyst = approximately 1.55 ct. tw. Lobster claw clasp closure Material: .925 sterling silver Care Instructions: It is customary to treat most gemstones to achieve enhanced colour and durability. Some of these treatments may not be permanent, and may require special care. Imported Pendant drops approximately 3/8in Approximately 16in long with 2in extender Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined. Colour: blue