If you're budget-restricted, your best bet is this Moon and Lola Pendant. It's a wonderful item, while not very costly. In this price range, you can also take a look at this Pendant. It's also a popular item and won't break the bank. You might also want to consider this Kendra Scott Pendant. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, look no further than this Bony Levy Pendant. This item won't break the bank, but absolutely indispensable in your wardrobe. It's also worth checking out this Monica Vinader Pendant. This item is ultra popular and, just as importantly, not very expensive. Alternatively, opting for this Ippolita Pendant is a nice choice as well!