Chrome diopside sterling silver ring - marked STS. Approximately a size 7 - will update after sized. Chrome diopside is a vibrant green, chromium-rich, semi-precious gemstone often called the "Siberian Emerald," known for its association with creative visualization, emotional healing, and connection to nature. It is used in jewelry—particularly rings, necklaces, and earrings—due to its intense color, and it is believed in metaphysical circles to aid in balancing the heart chakra.