If you don’t want to splurge, this Judith Jack Pendant will fit the bill. It's a great choice, while not very expensive. Another strong contender for your wardrobe is this Nashelle 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 Monica Vinader Pendant. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for an item in the middle of the price range, consider purchasing this Bony Levy Pendant. While the price is very reasonable, this product is an easy wardrobe update. You can also consider this Lagos Pendant. It's an attractive option both price and quality-wise. And do check out this John Hardy Pendant! It's a very popular item and good value for money.