If you are on a budget, this San Diego Hat Company Scarf will fit the bill. It's a foolproof choice, while not very pricey. Another strong contender for your wardrobe is this Vince Camuto Scarf. While the price of this piece is rather reasonable, it will surely attract a lot of attention. You might also want to consider this Echo Scarf. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're a bargain hunter, consider this Emilio Pucci Scarf. While the price is very reasonable, this product is an easy wardrobe update. Also look at this Emilio Pucci Scarf. It's an attractive option both price and quality-wise.
If you want to treat yourself, check out this Fendi Scarf - a great luxury choice.