If you're after a bargain, why not opt for this Vita Fede Pendant. While the price is very reasonable, this piece is an easy wardrobe update. In this price range, you can also check out this Valentino Pendant. It's an attractive option both price and quality-wise.
If you have enough to afford it, then you absolutely must check out this Antonini Pendant. This product seems expensive, but it's top quality. Why not take a look at this Pendant too? Expensive, but worth every penny. Another nice option is this Jade Jagger Pendant. You won't regret the money spent!