Most of Tianze Longtai's colored gems are unique products, and they are in a leading position in the colored gems field in the world. Unlike diamonds, colored gems can be cut by hand, but most colorful treasures cannot be cut by hand. They are naturally generated and unique, and each piece is a collection of works of art; Colored gems is a non-renewable resource, and all kinds of reserves are less than diamonds. Colored gems's value-added rate is much faster than that of diamonds, and it basically increases at a rate of more than 15%. Collection-level colorful treasures are rare, and their share in the market is very small, so the appreciation potential is greater, and the appreciation space can reach 30-50%.

Tianze Longtai Jewelry Store is mainly concentrated in northern cities. The advantage is that the jewelry bought in the store belongs to Tianze Longtai brand and can be exchanged. In other words, if the jewelry you buy is worn for a period of time and you feel that the style is out of date or not good-looking, you can change it into other styles in various stores of this brand.