I doubt that. I'm amazed that there were even two in existence to begin with.

[Though....she might be on to something.]

As far as I know, Mabel's amulet is the only one left. If something happens to it then that's it. No more power. ...Mental control, perhaps, but not physical.

[Dipper reaches up to rub his chin, grimacing.]

It's no so much that I want the amulet back. ...I could suffice with something different, but there's nothing to be spoken of that's as powerful as those amulets were.