If you are on a budget, your best bet is this Astley Clarke Pendant. It's a great piece, while not very costly. Another savvy option is this Madewell Pendant. While the price is not very high, be sure that this piece will become a valuable addition to your wardrobe. You might also want to consider this Pamela Love Pendant. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're after a bargain, you're in luck with this E.m. Pendant in stock and waiting for you. You are guaranteed to love this piece. It's also worth taking a look at this Rosantica Pendant. This piece is ultra popular and, just as importantly, not too pricey. And do check out this Astley Clarke Pendant! It's a very popular item and good value for money.