Conversely, it is considered bad luck for a single woman to wear a ring on her engagement finger as it might curse her to be single forever.

相反，对一个单身女人来说，把一个戒指戴在无名指上，可能让她一辈子单身。所以很不吉利。

youdao

The ring has been linked to a curse tablet found at the site of a Roman temple dedicated to the god Nodens in Gloucestershire.

BBC: Roman ring

Archaeologist Sir Mortimer Wheeler is believed to have discussed the ring with Tolkien after realising its connection to the curse.

BBC: Roman ring

The ring, which is inscribed in Latin and has been linked to a Roman curse tablet, is being exhibited for the first time at The Vyne, in Hampshire.

BBC: Roman ring