Small jadeite: refers to jadeite with poor quality, usually jadeite with dim color, low transparency or obvious defects.
Zhongwan: It refers to medium-quality jadeite, which may be good in color and transparency, but not advanced enough.
Dawan: refers to high-quality jadeite, usually a gem with bright colors, high transparency and no obvious flaws.
The purpose of this advertisement is to emphasize the quality difference and value range of jadeite. "Jade is one in a million" expresses people's understanding of different qualities and values of jade, and also emphasizes the preciousness of high-quality jade. When buying jade, it is very important to know the quality standard of jade and how to identify high-quality jade, so as to ensure that you can get valuable gems.