There is no definitive answer to this question as it depends on personal preferences. However, some people might say that the highest luxury brand is one that is known for its exquisite and exclusive products, such as Hermès, Prada or Gucci. These brands are often associated with high prices and a certain level of sophistication.
Another factor that could influence someone's decision about the highest luxury brand is the quality of the products. Some people might prefer brands that are known for their high-quality materials and craftsmanship, such as Chanel, Louis Vuitton or Rolex. These brands are often seen as being worth the investment, as the products are likely to last for many years.
Finally, some people might place more importance on the customer service offered by a luxury brand. This could be in terms of the quality of the staff, the level of service or the range of services offered. For example, a luxury brand might offer a personal shopper service to help customers