This could be a small sebaceous cyst or an acne cyst.
More than likely, it is nothing, but, if you are concerned, seeing a dermatologist would be helpful in alleviating your worries.
I have the same. Below the jawline though. Started as a spot that I couldn't burst so left it alone it slowly reduced and went away over about a month or so. I'm left with a very tiny lump in my skin however. I'm seeing my GP on Friday but I do feel a bit foolish about doing so as its so small.