If you're on a thrifty budget, this L'Agence Blazer will fit the bill. It's a fail-safe choice, while not very expensive. Another smart option is this Blazer. While the price is not too high, be sure that this piece will become a great addition to your wardrobe. You may also want to look at this MinkPink Blazer Jacket. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for a happy medium, look no further than this DVF Blazer Jacket. This item doesn't cost the earth, but absolutely deserves a spot in your wardrobe.