If you are on a budget, your best bet is this Waist Belt. It's a wonderful product, while not very pricey. In this price range, you can also take a look at this Waist Belt. It's also a popular item and won't break the bank.
If you're looking for something in between pricewise, look no further than this Rag and Bone Belt. This item doesn't cost a fortune, but absolutely deserves a spot in your wardrobe. It is also worth checking out this Linea Pelle Belt. It's an attractive option both price and quality-wise.