If you are on a budget, this Blazer Jacket will fit the bill. It's a foolproof choice, while not very costly. In this price range, you can also look at this J.Crew Blazer. It's also a popular item and won't break the bank. You may also want to look at this Paul Smith Blazer. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for something in between pricewise, look no further than this Theory Blazer. This item won't break the bank, but absolutely indispensable in your wardrobe. It's also worth checking out this Frame Blazer Jacket. This piece is ultra popular and, just as importantly, not very expensive. And do check out this Helmut Lang Blazer! It's a very popular item and good value for money.
If you're looking at it like an investment piece, then what you're looking for is this Pallas Blazer. It's more expensive but worth your money. Another product we're drooling over is this The Row Blazer. It's expensive but you get what you pay for. Also take a look at this Saint Laurent Blazer. You won't regret the money spent!