If you are on a limited budget, this Tote Bag will fit the bill. It's a foolproof choice, while not very pricey. In this price range, you can also look at this Rob-ert Tote Bag. It's an item you'll love which also doesn't cost the earth. You may also want to look at this Botkier Tote Bag. This item is not expensive either, but it will make a difference in your wardrobe.
For something in the middle of the price range, consider this Gucci Tote Bag. While the price is very reasonable, this piece is an easy wardrobe update. In this price range, you can also look at this Martine Sitbon Tote Bag. It's an attractive option both price and quality-wise.