If you're after a thrifty option, this Asos Curve Waist Belt will fit the bill. It's a great choice, while not very expensive. Another savvy option is this Asos Waist Belt. While the price is not very high, be sure that this piece will become a worthy addition to your wardrobe. You may also want to look at this Overstock Waist Belt. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for something in between pricewise, look no further than this Moschino Waist Belt. This item doesn't cost the earth, but definitely deserves a place in your wardrobe. You might also want to consider this Marni Belt. It's an attractive option both price and quality-wise. And do check out this Linea Pelle Belt! It's a very popular item and good value for money.