If you're looking for an affordable item, this L-Space Cover-up will fit the bill. It's a popular choice, while not very expensive. Another strong contender for your wardrobe is this Seafolly Cover-up. While the price of this item is not very high, it will surely attract a lot of attention. Or you can choose this Asos Cover-up - be sure you'll be making a stylish addition to your wardrobe.
If you're looking for an item in the middle of the price range, why not take a look at this Melissa Odabash Cover-up. While the price is very reasonable, this item is an easy wardrobe update. In this price range, you can also take a look at this Mara Hoffman Cover-up. It's an attractive option both price and quality-wise. Check out this Moschino Cover-up too! Great value for your money.