If you're budget-restricted, this Nic+Zoe Blazer will fit the bill. It's a fail-safe choice, while not very costly. Another good option is this CeCe Blazer. While the price is not too high, be sure that this product will become a wonderful addition to your wardrobe. You might also want to consider this Eliza J Blazer. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're gonna splurge, then you won't be disappointed if you check out this Akris Punto Blazer. It's an expensive but smart option. While you're at it, also have a look at this Yigal Azrouel Blazer. Yes, this item is expensive, but it does not mean it's not worth it. In this price range, you can also consider this Dolce & Gabbana Jacket. You won't regret the money spent!