I did make my first stacked charm necklace recently. I really like the way it turned out. Embellishing this piece are 2 round Swarovski crystal beads in Garnet and Ruby.
I also made a different style of washer charm. This one is a washer with a small disc hanging in the center along with 3 Swarovski crystal drops.
So as you can see, there are endless options for your statement piece.