The blazer is one of those clothing items that has all the potential to become your most worn thing. It will likely become your go-to jacket for work settings.
If you're a thrifty spender, your best bet is this Cupcakes And Cashmere Blazer. It's a great product, while not very expensive. Another strong contender for your wardrobe is this Joie Blazer. While the price of this item is competitive, it will surely attract a lot of attention. You may also want to look at this Choies Blazer. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to splurge, then you absolutely must check out this Erdem Blazer. This piece seems pricey, but it's well worth it. Another product we're drooling over is this Altuzarra Jacket. It's pricey but you get what you pay for. You might also be interested in this Givenchy Blazer. You won't regret the money spent!