If you're looking for an affordable item, your best bet is this Argentovivo Pendant. It's a fantastic piece, while not very expensive. In this price range, you can also check out this Kendra Scott Pendant. It's also a popular item and won't break the bank. You might also want to consider this Macy's Pendant. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you can afford to spend a little more, opt for this Pendant. While the price is very reasonable, this product is an easy wardrobe update. You can also look at this Ippolita Pendant. It's an attractive option both price and quality-wise. Alternatively, opting for this Oscar de la Renta Pendant is a good choice as well!