Black Embellished Belts from Bluefly
If you'd rather not spend much, this Fashion Focus Belt will fit the bill. It's a fail-safe choice, while not very costly.
If you're looking for a good deal, why not check out this Brave Belts Belt. While the price is very reasonable, this piece is an easy wardrobe update.
If you have enough to afford it, then what you're looking for is this Prada Belt. It's more expensive but worth your money.