More to explore:
Gold finger ring/cameo, Roman 3rd century A.D.
Roman gold ring set with a cameo, ca 3rd century AD
Roman gold ring/cameo, 1st century A.D.
Roman gold ear pendants with cameos and garnets, Circa 3rd century AD
Antique Cameo Brooch.
3rd cent ad Roman gold ring set with a cameo, ca 3rd century AD Ermitage Museum