The blazer is one of those wardrobe items that has all the potential to become your favorite. It will likely become your number one coat for the office.
If you're a frugal shopper, your best bet is this Forever 21 Blazer. It's a great piece, while not very expensive. Another smart option is this Forever 21 Blazer. While the price is not very high, be sure that this piece will become a worthy addition to your wardrobe.