1. Cartier, founded in France in 1847, is a subsidiary of Richemont Group, a world jewelry brand, a famous luxury brand, and a leading jewelry/watch brand.

2. DR. In the 1990s, DR diamond rings were the first to be bound to men’s ID cards. They only have one for a lifetime and are given to the only love in their hearts. Men can only customize one with their ID cards in their lives. Strict regulations represent a lifetime commitment. The love concept of loving only one person for a lifetime is very popular among couples.

3. Tiffany, in 1873, one of the world's top 500 brands, famous for its diamonds and silver products, a world-famous jewelry brand, the world's top luxury goods, Tiffany Company.

4. Kimberlite, a famous trademark in Shanghai, one of the largest diamond sellers in China, one of the most competitive brands in the Chinese jewelry industry, Shanghai Kimberlite Diamond Co., Ltd.

5. Graf is synonymous with the world’s most beautiful and gorgeous jewelry. It symbolizes rarity, beauty, and excellence. It is a world-famous brand and a leader among global diamond manufacturers.

6. Harry Winston, founded in 1890, is one of the world's leading brands in the jewelry industry and a world-renowned brand, the American Harry Winston Jewelry Company.

7. Van Cleef & Arpels, founded in 1906, is an international top jewelry brand, one of the top ten diamond brands in the world, and a French Van Cleef & Arpels company.

8. De Beers, founded in 1888, is the world's largest and oldest diamond supplier, the world's leading diamond company, De Beers Group.

9. Chow Tai Fook, founded in Hong Kong in 1929, is a well-known trademark in China and one of the most famous and largest jewelry brands in China. Chow Tai Fook Jewelry and Gold Co., Ltd.

10. Tse Ruilin, founded in Hong Kong in 1971, a listed company, one of the largest jewelry retailers and manufacturers in Asia, a famous jewelry brand, Tse Ruilin Jewelry Co., Ltd.