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    Dr. Laurent Massi

    Dr. Laurent Massi had completed his PhD studies on “Atomic-scale Defects in Brown and Hydrogen- rich Diamonds” at Nantes University’s Department of Physics in France. During his studies in Nantes he also taught gemology in Paris at the French National Gemological Institute (ING).

    Dr. Massi subsequently taught gemology and gave presentations at conferences in numerous countries, including Canada, USA, Sri Lanka, France, Vietnam, Taiwan, Malaysia and Thailand.

    During his career he has also had the opportunity to publish a variety of scientific and educational articles on color-change corundum, hydrogen and CO2 related optical centers in diamond, chameleon diamonds, clinohumite, color-change bastnäsite and on a new gem mineral: hibonite, one of the rarest gems on Earth.

    Dr. Massi was the Director of the Asian Institute of Gemological Sciences (AIGS) Gem Laboratory in Bangkok. He subsequently completed his Graduate Gemologist (GG) studies at the Gemological Institute of America (GIA) headquarters in Carlsbad, USA.

    He then became the Director of the new GIA Thailand Campus located in Bangkok. Dr. Massi is now a professional gemological consultant, gem coach and lecturer at Laurent Massi Gem Training & Development | LM GTD.