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Leon Lek started working in the jewelry industry in 1989. Due to his passion and great interest in gemstones, he took up an intensive residence course in Graduate Gemologist with ...
Highly informative article by our gemologist Leon lek on the lastest enhancement and treatment method and how Heating, Colour Dyeing, Diffusion, Beryllium Diffusion enchances the ...
I am a chinese, and my family name is Lek. I have recently started thinking about ... No it's lammo dude! I like Leon. Leon Lek.
Speaker Leon Lek is a certified gemologist (GIA), and a consultant gemologist and lecturer with Nan Yang Gemological Institute.
Speaker Leon Lek is a certified gemologist (GIA), consultant gemologist and lecturer with Nan Yang Gemological Institute.
Leon Lek started working in the jewelry industry in 1989. Due to his passion and great interest in gemstones, he took up an intensive residence course in Graduate ...
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