If you're looking for a thrifty option, your best bet is this Tea Collection Cardigan. It's a popular item, while not very expensive. Another savvy option is this J.Crew Cardigan. While the price is not too high, be sure that this piece will become a great addition to your wardrobe. You might also want to consider this Ralph Lauren Cardigan. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're after a bargain, why not opt for this Burberry Cardigan. While the price is very reasonable, this piece is an easy wardrobe update. It is also worth checking out this Cardigan. It's an attractive option both price and quality-wise. Alternatively, opting for this Lacoste Cardigan is a great choice as well!