If you're looking for a thrifty option, your best bet is this Swarovski Pendant. It's a great piece, while not very costly. Another strong contender for your wardrobe is this The Sak Pendant. While the price of this item is rather reasonable, it will definitely attract a lot of attention. Or you can choose this Gorjana Pendant - be sure you'll be making a stylish addition to your wardrobe.
If you're looking for an item in the middle of the price range, look no further than this Paige Novick Pendant. This item won't break the bank, but absolutely deserves a spot in your wardrobe. It's also worth taking a look at this Judith Ripka Pendant. This product is ultra popular and, just as importantly, not too pricey.
If you're in a Treat Yo' Self mood, then what you're looking for is this Pendant. It's more expensive but worth your money.