Chanthaburi is famous for its gemstone cut, including the burning of the gem, which is to increase the value of count is a competitive advantage that a country as Thailand tries to step into the center of the world's gems.
Chanthaburi is known for its diamond jewelery. Including burnt stones, which adds value. This is an advantage in the competition. Thailand is trying to move towards the center of the gem.
Chanthaburi is famous for its gem cutting. Including burning jewelry which adds value. The advantage in the competition. The country tried to step the centrality gems of the world.