In the current jewelry market, the diamond industry is too homogeneous and transparent, and the competition is fierce; The jadeite industry is too saturated and the age group of consumers is too large; Gold jewelry is more used for value-added investment; Ruby and sapphire are too expensive for the general public because of the shortage of resources. Therefore, the most popular jewelry category at present should be colorful crystal category, which is widely favored by white-collar workers and modern women because of its bright colors, transparent texture, popular price and rich cultural connotation, and has become the most fashionable category in the jewelry market in recent years.