Sterling Silver with Rhodium Plated 6CT Pear Green Amethyst with Diamond Accent Ring Size 7 All our gemstones are natural in nature unless stated other wise. However, natural gemstones may have been treated to enhance their appearance and durability. Due to the natural properties of the gemstone each piece are unique in shade and measurement. Picture only reflects general condition of the piece. Actual received item might be slightly different from image.