The laboratory draws analysis documents in compliance with judgment standards used by the major Institutes working in this sector. In particular, HRD (High Diamond Committee of Antwerp) judgment parameters are used as far as diamond analysis is concerned. HRD is considered as the most important certification Institute in Europe. The analysis performed on colored gems and built jewels is strictly compliant with Italian normative of the U.N.I (Italian Committee for National Unification). The nomenclature used for treatment description is compliant with the Laboratory Manual Harmonization Committee (L. M. H. C.) guidelines. Rules observance was fundamental for the laboratory development and growth. The laboratory currently has a great number of customer, both Italian and international.