The blazer is one of those clothing pieces that is bound to become your most worn thing. It will likely become your go-to jacket for work settings.
If you are on a limited budget, you'll appreciate this Nic+Zoe Blazer. It's a great choice and a great investment. Another nice option is this CeCe Blazer. While the price is rather reasonable, be sure that this item will become a worthy addition to your wardrobe. You might also want to consider this Blazer Jacket. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you can afford it, then what you're looking for is this Cushnie et Ochs Jacket. It's more expensive but worth your money. While you're at it, also have a look at this Balmain Blazer Jacket. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this The Row Blazer. 'Cause you deserve nothing but all the finer things!