Black Blazers from Saks Fifth Avenue
If you're a thrifty shopper, this Rag & Bone Blazer will fit the bill. It's a fail-safe choice, while not very pricey. You can also look at this Theory Blazer Jacket. It's an item you'll fall in love with which also doesn't cost a fortune. You may also want to look at this Bailey 44 Blazer. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for an item in the middle of the price range, opt for this Yigal Azrouel Blazer. While the price is very reasonable, this item is an easy wardrobe update. You might also want to take a look at this Calvin Klein Collection Blazer Jacket. It's an attractive option both price and quality-wise. Alternatively, opting for this Helmut Lang Blazer is a great choice as well!
If you can afford it, then what you're looking for is this Stella McCartney Blazer. It's more expensive but worth your money. While you're at it, also have a look at this The Row Blazer. Yes, this item is expensive, but it does not mean it's not worth it. And how about the luxurious Roberto Cavalli Blazer Jacket? Yolo, right?