If you're budget-restricted, this B-Low the Belt Waist Belt will fit the bill. It's a popular choice, while not very expensive. Another strong contender for your wardrobe is this Rebecca Minkoff Belt. While the price of this piece is rather reasonable, it will certainly attract a lot of attention. You may also want to look at this Club Monaco 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, we've got your back with this Rag & Bone Waist Belt. This item is bound to become a total wardrobe staple. It's also worth checking out this Frame Belt. This piece is ultra popular and, just as importantly, not too pricey. And do check out this Acne Studios Belt! It's a very popular item and good value for money.
If you're not a thrifty type, then what you're looking for is this MCQ Belt. It's more expensive but worth your money. While you're at it, also have a look at this IRO Belt. Yes, this item is expensive, but it does not mean it's not worth it. You might also want to look at this Maison Margiela Belt. You won't regret the money spent!