High-tech synthetic diamonds are laboratory diamonds cultivated with carbon in the body of the deceased (usually with ashes as samples). People used to call this kind of diamond ashes diamonds, and turning the dead into diamonds was called "diamond burial". Ashes, synthetic diamonds? It sounds incredible, but it has strict scientific principles. Human ashes, hair and any other parts contain carbon, and diamonds are also made of carbon. Through the separation and recombination of carbon atoms to form a new structure, a diamond that loves the world can be obtained. This kind of diamond has the same physical properties, chemical composition and optical effect as natural diamonds, and is widely recognized by authoritative gem appraisal institutions.