Ca 1630-40 gold ring with the initials of IHS/ “IHS” is sometimes interpreted as meaning Iesus Hominum Salvator (“Jesus, Savior of men” in Latin)
Early seventeenth century jewellery most of the times had religious representations.
Most probably Italian.
Measurement of bezel:18.5 x 15.5 mm
Ring size:”O” = US 7+1/4