If you are on a limited budget, you'll appreciate this Nic+Zoe Blazer. It's a foolproof choice and a good investment. Also take a look at this CeCe Blazer. It's an item you'll fall in love with which also doesn't cost the earth. Or you can choose this Trouve Blazer - be sure you'll be making a stylish addition to your wardrobe.
If you're in a Treat Yo' Self mood, then what you're looking for is this The Row Blazer. It's more expensive but worth your money. While you're at it, also have a look at this Escada Blazer. Yes, this item is expensive, but it does not mean it's not worth it. Another nice option is this Akris Blazer Jacket. You won't regret the money spent!