If you're looking for an affordable item, your best bet is this Gosha Rubchinskiy Belt. It's a great piece, while not very expensive. Another nice option is this Y-3 Belt. While the price is competitive, be sure that this product will become a worthy addition to your wardrobe.
If you want to splurge on a luxury piece, then what you're looking for is this Givenchy Belt. It's more expensive but worth your money. While you're at it, also have a look at this Alexander McQueen Belt. Yes, this item is expensive, but it does not mean it's not worth it.