Black Blazers by Topshop
If you're looking for an affordable item, this Topshop Double Breasted Blazer will fit the bill. It's a foolproof choice, while not very costly. Another strong contender for your wardrobe is this Topshop Blazer Jacket. While the price of this piece is not very high, it will certainly attract a lot of attention.
If you're a bargain shopper, take a look at this Topshop Jacket. While the price is very reasonable, this piece is an easy wardrobe update.