Jewelry belongs to the field of luxury goods, and precious metals and gems are used to make a fuss.

Jewelry has a broad sense and a narrow sense. Jewelry in a narrow sense refers to jade products. Jewelry in a broad sense should include jewelry, handicrafts or other treasures made of gold, silver and natural materials (minerals, rocks, organisms, etc.). ) has certain value. Therefore, there was a saying of "gold and silver jewelry" in ancient times to distinguish gold and silver from jewelry.