There are a vast majority of high end, luxury name brands to look lout for but only a small limited number of these brands would encompass a "buy it no matter what the item" scenario, based on the brand name only. Also, these brands are often the most faked out there, so you better know what you're looking at.
These are brand names (off the top of my & head before my morning coffee) that I look out for. But would I buy the item based on the brand name only? Absolutely not.
- Armani, Gucci, Tiffany, Chanel, Louis Vuitton, Prada, Monteblanc, Coach, Fendi, Burberry, Cartier, Hermes, Pendleton, Leica, Versace, D&G, Dior, Tag Heuer, Oscar De La Renta, Vera Wang, Swarovski, Lalique, Baccarat, Moser, Buccellati, Rolex, Breitling, Patek Philippe, Omega, Van Cleef, David Yurman, Ferragamo, and many many more.