2. Liu Fu (China well-known trademark, Hongkong listed company, jewelry fashion brand)
3. Levi's (founded in 1978, a Hong Kong brand, focusing on marriage proposal diamond rings)
4. Xie Ruilin (a famous Hongkong brand, founded in 197 1).
5. Dai Mengde (China well-known trademark, China national jewelry brand, industry famous brand)
6. Zhou Dasheng (China famous trademark, China famous trademark, famous diamond brand).
7. Kimberly (one of the well-known diamond sellers, integrating diamond design, cutting and polishing).
8. Lao Fengxiang (starting with 1848, won the well-known trademark of China and China).
9. Golden Supreme (China well-known trademark, top ten jewelry brands, famous Hongkong brands)
10, hengxin (a well-known trademark in China, one of the top ten diamond ring brands in the domestic jewelry industry) 1, Cartier (1847).
2. Tiffany &; Company) (1837 new york, USA)
3. Bulgari (Italy 1884)
4. Van Cliff &; Yabao) (1906 Paris, France)
5. Harry Winston (NY, USA 1890).
6. de rier) (1837 Paris, France)
7. Demiani (1924 Italian, luxury jewelry)
8.Boucheron (1858 Paris, France)
9. Mikimoto (1893)
10, Swarovski (1895 Austria)