Navy Blazers from yoox.com
if you're in a thrifty mood, this Montedoro Double Breasted Blazer will fit the bill. It's a great choice, while not very pricey. You might also want to consider this Sport Coat. It's a product you're bound to love which also doesn't cost too much. You may also want to look at this Brian Dales Blazer Jacket. This item is not expensive either, but it will make a difference in your wardrobe.
If you're a bargain shopper, you're in luck with this Trussardi Double Breasted Blazer in stock and waiting for you. You are bound to love this piece. It's also worth checking out this Tombolini Suit Jacket. This item is ultra popular and, just as importantly, not very expensive. Alternatively, opting for this John Varvatos Blazer is a wonderful choice as well!
If you're looking to purchase a designer item, then what you're looking for is this Brunello Cucinelli Double Breasted Blazer. It's more expensive but worth your money. While you're at it, also have a look at this Blazer Jacket. Yes, this item is expensive, but it does not mean it's not worth it.