Vintage Large Heavy 9ct Onyx Signet Ring

Description

Vintage 1980’s large heavy signet ring set with an oval cut black onyx.  The head measures approximately 19mm x 14mm with wide plain shoulders graduating to a 4.23mm wide shank.  Finger size Y.  Mounted in all 9ct yellow gold, fully hallmarked Birmingham 1983.  Gross weight 11.4g.