Berets from Macy's
If you are on a tight budget, your best bet is this Charter Club Beret. It's a popular item, while not very pricey. You can also check out this INC International Concepts Beret. It's a product you'll love which also doesn't cost too much. You may also want to look at this Beret. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for a happy medium, consider this Kate Spade Beret. While the price is very reasonable, this piece is an easy wardrobe update.