If you're a thrifty spender, your best bet is this Tibi Blazer. It's a great product, while not very pricey. Another strong contender for your wardrobe is this Edun Double Breasted Blazer. While the price of this piece is not too high, it will certainly attract a lot of attention. You might also want to consider this MSGM Double Breasted Blazer. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, we've got your back with this Edun Jacket. This piece is likely to become a total wardrobe staple. It's also worth looking at this Roberto Cavalli Blazer. This product is extremely popular and, just as importantly, not very expensive. And do check out this Haider Ackermann Jacket! It's a very popular item and good value for money.