A chandelier around my neck.
Antique shopping can be such a learning experience, where you can look at, touch, even smell (sometimes unpleasantly) the past; and I personally love browsing through antique shops. I can't seem to afford anything old, unfortunately, unless I'm looking for some old jewelry or junk (don't get me wrong, I like junk). Even when its just old junk, I like to consider integrating it into a jewelry piece. In this case, chandelier crystals are so useful: they come in many colors and sizes, are easily strung onto wire to make a pendant, and are so pleasantly striking yet classy enough to accentuate even casual ensembles.
I have collected several favorite chandelier crystals, mostly clear, but sometimes colored. Here's a piece made from a pink-blue crystal...
And a closeup of the crystal...