If you're a thrifty spender, your best bet is this Trouve Scarf. It's a wonderful product, while not very costly. Another strong contender for your wardrobe is this Maternal America Scarf. While the price of this product is competitive, it will certainly attract a lot of attention. You might also want to consider this Nordstrom Scarf. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, look no further than this Halogen Scarf. This item doesn't cost the earth, but definitely deserves a place in your wardrobe. Why not also check out this Rag & Bone Scarf. It's an attractive option both price and quality-wise. Check out this La Fiorentina Scarf too! Great value for your money.