This .925 sterling silver ring features a striking faceted green amethyst for a sophisticated and elegant look. Green Amethyst = approximately 6.90 ct. tw. Material: .925 Sterling Silver Imported Green Amethyst measures 10x20mm Ring cannot be re-sized 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. Colour: multicolour