If you are on a limited budget, why not consider this J.Crew Jacket. It's a fantastic product for a good price. Another strong contender for your wardrobe is this Olivia Moon Blazer. While the price of this product is not too high, it will surely attract a lot of attention.
If you're looking for something in between pricewise, look no further than this Vince Blazer. This item doesn't cost the earth, but absolutely essential in your wardrobe. You might also want to take a look at this Paul Smith Blazer. It's an attractive option both price and quality-wise. And do check out this Just Cavalli Blazer Jacket! It's a very popular item and good value for money.
If you're looking at it like an investment piece, then you won't be disappointed if you check out this Jil Sander Jacket. It's a costly but smart option.