If you're a frugal shopper, your best bet is this Blaque Label Blazer. It's a terrific piece, while not very expensive. Another great option is this Joseph Blazer. While the price is not very high, be sure that this piece will become a wonderful addition to your wardrobe. Or you can choose this Alberto Biani Blazer - be sure you'll be making a stylish addition to your wardrobe.
If you have enough to afford it, then what you're looking for is this Stella McCartney Blazer Jacket. It's more expensive but worth your money. While you're at it, also have a look at this Chloé 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 Jacket. 'Cause you deserve nothing but all the finer things!