If you can’t spend much, this Pieces Pendant will fit the bill. It's a foolproof choice, while not very costly. Another strong contender for your wardrobe is this Asos Pendant. While the price of this item is rather reasonable, it will certainly attract a lot of attention. You might also want to consider this NY:LON Pendant. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.