Beauty’s best? Gucci, Louis Vuitton and Cartier ranked most-valuable luxury brands; Givenchy and Tom Ford fastest-growing 14-Oct-2020 By Kacey Culliney Gucci, Louis Vuitton and Cartier are the most-valuable luxury brands in the world with beauty and fragrance offerings, and Givenchy and Tom Ford are the fastest-growing, according to Brand Finance.