If you're in a thrifty mode, your best bet is this Asos Belt. It's a fantastic product, while not very pricey. Another strong contender for your wardrobe is this Urban Outfitters Belt. While the price of this item is competitive, it will surely attract a lot of attention. You may also want to look at this Fashion Focus Belt. This item is not expensive either, but it will make a difference in your wardrobe.
For something in the middle of the price range, take a look at this Moschino Waist Belt. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth taking a look at this Marni Belt. This product is ultra popular and, just as importantly, not very expensive. Alternatively, opting for this Linea Pelle Belt is a nice choice as well!