If you're a thrifty spender, this Lanvin Blazer will fit the bill. It's a popular choice, while not very costly. Another strong contender for your wardrobe is this Lanvin Blazer. While the price of this piece is not too high, it will surely attract a lot of attention.
If you're looking for an item in the middle of the price range, consider choosing this Lanvin Waistcoat. While the price is very reasonable, this piece is an easy wardrobe update.