Prayer: Can Men Wear Gold If It's Hidden and Not for Beautification?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: Can Men Wear Gold If It's Hidden and Not for Beautification?

English:

Question #442:

Is there any problem, according to shar‘, in wearing gold when it is not for beautification purposes and the gold is not visible to others?

Answer #442:

It is absolutely ḥarām for men to wear gold whether ring or something else even though it is not for adorning purposes and the gold is hidden from others.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer