If you're a frugal shopper, your best bet is this Nordstrom Scarf. It's a popular item, while not very expensive. Another strong contender for your wardrobe is this Scarf. While the price of this product is competitive, it will surely attract a lot of attention. You might also want to consider this H&M Scarf. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're willing to splurge, then you absolutely must check out this Burberry Scarf. This piece seems expensive, but it's worth it. While you're at it, also have a look at this Chloé Scarf. Yes, this item is expensive, but it does not mean it's not worth it. And how about the luxurious Ralph Lauren Scarf? Yolo, right?