Cartier ring steel seal is actually one of the most common methods to identify authenticity.

Louis Francois Cartier registered Cartier Company, whose initials L and C are surrounded by a heart-shaped diamond symbol, symbolizing a legendary love story and the beginning of a luxurious kingdom. Moreover, its brand takes the English letters of the founder's name as the logo, which is simple and generous. In July 2020, Forbes 2020 Global Brand Value 100 was released, and Cartier ranked 56th. As of August, 20021year, official website showed that Cartier's products included watches, leather goods, jewelry, accessories, household items and gifts.