The top ten most famous necklace brands in the world are the following ten:

1. Cartier: Cartier is one of the top jewelry brands in the world, which was founded in 1847 by a French company and is also a high-end watch and jewelry manufacturer in France.

2. Tiffany: Tiffany, a jewelry brand from the United States, was founded in 1837. It is a well-known luxury company and has produced many classic diamond ring styles, such as a six-claw diamond ring.

3. HarryWinston: HarryWinston, a brand from the United States, was founded in 1932. It is a top luxury jewelry brand in the United States, bringing many exquisite jewelry and top-end watches to consumers.

4. Bvlgari: Bvlgari is a luxury brand from Italy, which was founded in 1884. This brand of jewelry takes color as the design essence and designs many fashionable and noble jewelry.

5、VanCleef& Arpels：VanCleef& Arpels is a famous French luxury brand founded in 196. Its products have won the love of nobles and celebrities from all over the world, specializing in high-grade jewelry and accessories as well as watches.

6. Chaumet (Shangmei Paris): Chaumet (Shangmei Paris) is a top jewelry brand established in 178, specializing in luxury watches and various luxury jewelry brands.

7. Boucheron: Boucheron is a French brand founded in 1858, and has designed many top-grade jewelry, perfumes and watches.

8. Graff: The brand Graff is a leader in high-end jewelry, and it has won the love of many nobles and celebrities with its classic design, exquisite cutting and fashionable and beautiful styles.

9. Buccellati: Buccellati is a top Italian jewelry brand founded in 1919, and its jewelry has won the love of many high-end consumers.

1. Chopard: Chopard, a jewelry brand, was founded in 186 and specializes in high-end watches and jewelry.

the above are the top ten necklace brands in the world, but they may not be suitable for everyone.