If you're after a thrifty option, this Theory Blazer will fit the bill. It's a fail-safe choice, while not very costly. Another strong contender for your wardrobe is this Kensie Blazer. While the price of this item is competitive, it will surely attract a lot of attention. You may also want to look at this BCBGeneration Blazer. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to splurge, then you absolutely must check out this Jacket. This product seems costly, but it's top quality.