A natural green amethyst ring in 925 silver is a ring made from a genuine green amethyst gemstone and 925 sterling silver. The green amethyst, also known as prasiolite, is a natural variation of the mineral quartz that is colored green by iron and other trace elements. The 925 silver, also known as sterling silver, is a high-quality alloy made up of 92.5% silver and 7.5% other metals, typically copper. This ring is a beautiful and unique piece of jewelry that combines the natural beauty of the green amethyst gemstone with the durability and shine of 925 silver.