If you are on a tight budget, this Lagos Pendant will fit the bill. It's a great choice, while not very pricey. Another strong contender for your wardrobe is this Aqua Pendant. While the price of this piece is not too high, it will definitely attract a lot of attention.
If you can afford to spend a little more, consider buying this David Yurman Pendant. While the price is very reasonable, this piece is an easy wardrobe update. It is also worth checking out this David Yurman Pendant. It's an attractive option both price and quality-wise.
If you're not a thrifty type, then you won't be disappointed if you check out this David Yurman Pendant. It's an expensive but smart option.