This is a vintage 18K (high-karat) yellow gold Cameo-design statement ring. Definition of a "cameo": a piece of jewelry, typically oval in shape, consisting of a portrait in profile carved in relief on a background of a different color. Material(s): 18K yellow gold + unidentified material (cameo) Total weight: 12.2 grams Flaws (if any): None to mention Marking(s): "18ct" (translating to 18K gold) Measurements: The face of the ring measures 17.9 millimeters in height by 5.8 millimeters in width. The width of the band measures 2.5 millimeters at the back of the ring. BAND SIZE 6 U.S. If you have any questions about this ring, please do not hesitate to contact us! ♥