If you're not planning on spending much, your best bet is this Scarf. It's a popular item, while not very pricey. Another strong contender for your wardrobe is this Nordstrom Scarf. While the price of this item is not very high, it will surely attract a lot of attention. You may also want to look at this Sole Society Scarf. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for a happy medium, you're in luck with this La Fiorentina Scarf in stock and waiting for you. You are bound to fall in love with this product. It's also worth looking at this Eileen Fisher Scarf. This piece is ultra popular and, just as importantly, not too pricey. Alternatively, opting for this Valentino Scarf is a wonderful choice as well!
If you want to splurge on a luxury piece, then you won't be disappointed if you check out this Stella McCartney Scarf. It's a costly but smart option. While you're at it, also have a look at this Burberry Scarf. Yes, this item is expensive, but it does not mean it's not worth it.