A GREEK SAPPHIRE RINGSTONE
Hellenistic Period, Circa 2nd-1st Century B.C.
The flat circular stone engraved with the head of a woman, perhaps a queen or goddess, in profile to the left, with a long neck, a crescentic diadem in her hair, which is pulled back into a chignon, with a large eye, prominent nose and small lips; mounted as a ring in a modern gold setting
5/16 in. (.8 cm) diameter; ring size 7