Chain with a Ring
Question :

Can a man wear a chain with a ring on his neck?

Answer :

Wearing the ring in a chain around one’s neck by itself is permissible, unless doing so is considered to be imitation of women or it leads to humiliation or similar results which are prohibited to bring about, in which cases it becomes impermissible.

Earrings for Men
Question :

Is wearing earrings permissible for men?

Answer :

It is prohibited for men to wear earrings if it is to imitate women with the intention of femininity.

Peircings
Question :

Are Muslim men allowed to get their ears or any parts of their body pierced?

Answer :

It is not permissible for men to imitate women. Piercing is permissible if it does not lead to that nor to any other prohibitions.

Gold Earring
Question :

Is it permissible for men to wear a gold earring in one ear?

Answer :

No, it is not permissible.

Fake Gold Jewelry
Question :

Can a man wear fake gold jewelry, like rings?

Answer :

It is permissible for men to wear fake gold jewelry, as long as wearing such jewelry is not feminization.

White gold
Question :

Is it permissible for a man to wear a necklace or ring made of white gold?

Answer :

It is permissible for men to wear white gold jewelry, as long as he is not imitating women.