Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 2 years ago
Bismihi ta'ala
If it is a crucifix, or any symbol that represents another religion, then it would not be permissible to wear. If it is just a cross, and would not be seen as a crucifix, then it would be permissible.
And Allah knows best