"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 wi