Andrew Lucas

President of Guild Education of Gemology

Senior Vice President of Guild Gem Laboratories

28 years experience with GIA

World most active and renowned field gemologist and gemology educator.

Published more than 220 articles

Published two books: The Journey of Gemstones From Mine to Market and The Handbook of Field Gemology. The Journey of Gemstones From Mine to Market is the first book talking about field gemology in the world. Established long term collaboration with Tiffany, Cartier, Harry Winston, Van Cleef Arpels, Bvlgari, Signet, Pandora, Dior, Buccellati, AGTA, ASA, Sotheby’s and Christie’s .

Has taught courses in more than 50 countries and regions around the world, covering a wide range of jewelry industries including colored gemstones, diamonds and gemstone processing.

Worked with a number of government agencies to develop courses such as Law Enforcement and Anti-Money Laundering. Won numerous awards and is still the only gemologist in the world to offer and teach all these courses.

Diana Chow

Master of Gemology,Intermediate Engineer

Director of Guild Education of Gemology

One of the authors of the books: The Journey of Gemstones From Mine to Market, Gemstone illustrated Handbook, Spectrum Library and Analysis of Non-destructive Testing for Gems and Jade

Published two papers in core journals

Several visits to the gemstone mine and international trade market

Developed courses for Guild Institute both online and offline

Mary Wang

GUILD Gemology Education instructor

Master of Gemology, China University of Geosciences (Beijing)

Gemologist of The Gemmological Association of Great Britain

Many years of gemology teaching experience

Good experience in various gemstone markets

Several visits to the international gemstone and jewelry market

Diamon Dai

Bachelor of Gemology

China National Skills Master

China National Light Industry Skills Master

Shenzhen High-Level Talent

Senior examiner for vocational skill level certification

Gemologist of The Gemmological Association of Great Britain

Years of teaching experience in large gemstone instruments

Cindy Zhang

Bachelor of Gemology、Intermediate Engineer、GIA(AJP)

Occupational Qualification Certificate(Second Level/Technician)

Skills Master of Guangdong Province

Senior gemological instructor, guiding more than 5,000 students

Guest lecturer, giving lectures in jewelry colleges, universities and many well-known jewelry brands  

Regularly investigating domestic and international gem mining areas and trading markets

Ellie Yu

Master of Gemology, China University of Geosciences,Wuhan

Lecturer for several jewelry academic forums

Years of teaching experience in foundation of Gemology

Developed multiple courses for GUILD Gemology Education

Published a SCI academic paper

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