If you're in a thrifty mode, your best bet is this Rebecca Minkoff Belt. It's a fantastic product, while not very expensive. You might also want to consider this Kate Spade Belt. It's a product you'll love which also won't break the bank. You might also want to consider this Lodis Belt. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for a good deal, look no further than this Frye Belt. This item doesn't cost too much, but absolutely indispensable in your wardrobe. Why not also look at this Raina Belt. It's an attractive option both price and quality-wise. And do check out this Rag & Bone Belt! It's a very popular item and good value for money.