If you're budget-restricted, this Kate Spade Scarf will fit the bill. It's a popular choice, while not very expensive. Another nice option is this Denim & Supply Ralph Lauren Scarf. While the price is rather reasonable, be sure that this item will become an excellent addition to your wardrobe. You may also want to look at this Diesel Scarf. This item is not expensive either, but it will make a difference in your wardrobe.
If you have enough to afford it, then what you're looking for is this Faliero Sarti Scarf. It's more expensive but worth your money. While you're at it, also have a look at this Givenchy Scarf. Yes, this item is expensive, but it does not mean it's not worth it.