The blazer is one of those wardrobe pieces that has all the potential to become your most worn thing. It will become your number one coat for the office.
If you are on a limited budget, this S.y.l.k Blazer will fit the bill. It's a popular choice, while not very pricey. Another strong contender for your wardrobe is this Blazer. While the price of this product is not too high, it will definitely attract a lot of attention. You might also want to consider this Steffen Schraut Blazer. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.