1. Location reason: Shuibei is the distribution center of Chinese jewelry industry, with many jewelry brands and factories, as well as a large number of jewelry designers and craftsmen. The quality of diamond products produced by these brands and factories is guaranteed, and there will be no counterfeiting.

2. Quality reasons: Most of the diamonds in Shuibei are directly imported from abroad and then processed by professional cutting and grinding companies, which ensures the authenticity and quality of the diamonds.