This is a silver-tone ring featuring blue natural stones. Two cabochon-cut stones of a deep blue color are set in the ring, creating a simple yet unique design. The type of stone is unknown, but it is likely a natural stone such as lapis lazuli or sodalite. As we have not had it appraised, the details of the material and gemstones are unknown. Please purchase only if you understand that this is a used item and has been stored at home. Thank you for viewing.