Narrated Abu Huraira:
The Prophet (ﷺ) forbade the wearing of a gold ring.
Narrated Al-Bara bin Azib:
Allah's Messenger (ﷺ) ordered us to do seven things and forbade us to do seven other things. He forbade us to wear gold rings, silk, Dibaj, Istabriq, Qissy, and Maithara; and ordered us to accompany funeral processions, visit the sick and greet everybody. (See Hadith No. 104)
Narrated Al-Bara' bin `Azib:
The Prophet (ﷺ) forbade us to use seven things: He forbade using gold rings, silk, Istabraq, Dibaj, red Mayathir, Al-Qassiy, and silver utensils. He ordered us to do seven other things. To pay a visit to the sick; to follow funeral processions; to say, "May Allah be merciful to you" to a sneezer if he says "Praise be to Allah"; to return greetings, to accept invitations; to help others to fulfil their oaths and to help the oppressed ones.
Narrated Al-Bara:
The Prophet (ﷺ) ordered us to do seven (things) and forbade us from seven (other things): He ordered us to pay a visit to the sick, to follow funeral possessions, to say: May Allah be merciful to you to a sneezer, - if he says: Praise be to Allah, to accept invitation (invitation to a wedding banquet), to return greetings, to help the oppressed, and to help others to fulfill their oaths (provided it was not sinful). And he forbade us from seven (things): to wear golden rings or golden bangles, to wear silk (cloth), Dibaj, Sundus and Mayathir.