Board Thread:General Discussion/@comment-27999811-20170704172940/@comment-26213507-20170704202454

No, there's not a level requirement. You can try waiting in the location for a few hours, which might reset his dialogue. Since he's not essential, attacking him is unwise, so using Unrelenting Force is not advisable. You could also talk to him a bit later, after a few days, to see if the option to retrieve the amulet is available.