بسم الله الرحمن الرحيم
(Fatwa: 237/237/B=03/1437)
Of course, it is lawful for males to wear silver ring provided it weighs less that 4.5 masha. If it is 4.5 masha or more than it then it is not lawful.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
