A piece of puzzle jewelry is a puzzle which can be worn by a person as jewelry.
Usually these puzzles are fully mechanically functional and hence serve two purposes at once. Of course in order to be a nice piece of wearable jewelry it has to have a good design, professional finish and relatively small size.
Examples of available puzzle jewelry
The following list implies that a small version of the cited puzzle is available with suitable design and finish to be worn as jewelry.
References
Puzzle jewelry Wikipedia(Text) CC BY-SA