They are all sold after the appraisal of the state of Jin, so don't worry about the fact that the buyers are fakes. Red coral is an organic gem with pleasant color, which grows in the deep sea from 0/00 to 2000 meters away from human/kloc-.

It is listed as one of the three organic gems alongside pearls and amber, and it is also listed as one of the seven treasures in the oriental Buddhist scriptures. It has been regarded as a rich and auspicious thing since ancient times.

Natural red coral is formed by the accumulation of coral polyps, which grow very slowly and cannot be regenerated. However, red corals only grow in a few straits and are limited by sea areas, so red corals are extremely precious.