An original high carat gold Roman ring, circa 3rd century A.D. The channel set mount contains an amethyst incised with the head of the Omphalos Apollo. The Apollo Omphalos was an ancient Roman marble copy of a Greek original bronze sculpture in typical early Archaic period style, depicting Apollo, the god of music, medicine, and prophecy. The figure’s head is titled to the right. Apollo’s large, deep set eyes and full lips dominate his face. His head is crowned by a mass of hair arranged in locks that fall onto his forehead. A thin double-braid encircles his head. The ring is size T [US 9 and 5/8] and the amethyst intaglio measures 1/3 of an inch by 1/4 of an inch. It has survived in remarkably fine and wearable condition.