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The institutions taking part in the German Diamond and Gemstone Laboratories (DEL) employ highly qualified staff, such as mineralogists, geologists, chemists, physicists, technicians, gemmologists and diamond graders. Evaluation will be performed by a large number of experienced gemstone dealers, gemstone and diamond cutters as well as goldsmiths. The institutions of DEL are using the latest equipment in scientific tools and instruments.

 

 

 

 

 

 

 

 

 

 

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