If you're after a thrifty option, your best bet is this Dolce & Gabbana Pea Coat. It's a popular item, while not very expensive. In this price range, you can also check out this Peacoat. It's also a popular item and won't break the bank. You may also want to look at this Asos Pea Coat. This item is not expensive either, but it will make a difference in your wardrobe.
If you're in a Treat Yo' Self mood, then you won't be disappointed if you check out this Peacoat. It's an expensive but smart option.