1, History and popularity: Bulgari has a longer history, which can be traced back to the end of 19, while Cartier has a relatively short history, and Bulgari has a greater popularity and influence in the jewelry industry, and is considered as one of the top luxury brands.

2. Innovation and design: Bulgari is more bold and innovative in jewelry design, and often uses unconventional materials and design elements to create unique jewelry works. In contrast, Cartier's design style is more classic and traditional, paying attention to details and craftsmanship.