Polka Dot Scarves from Amazon.com
if you're in a thrifty mood, you'll appreciate this Jules Smith Designs Scarf. It's a foolproof choice and a great investment. In this price range, you can also take a look at this Sperry Scarf. It's an item you'll love which also doesn't cost the earth.
For something in the middle of the price range, look no further than this Marc by Marc Jacobs Scarf. This item doesn't cost the earth, but absolutely essential in your wardrobe.