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Services
Main services
Diamond services
Gem services
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Exclusive services
Cleaning and sorting of chemically-unset melee diamonds
Cleaning & oiling of emeralds
Coral species identification
Cullinan report
Consulting
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T. Hainschwang
F. Notari
C. Caplan
F. Blumentritt
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Limitations for GGTL reports
Navigation SM
About us
Services
Main services
Diamond services
Gem services
Pearl services
Exclusive services
Cleaning and sorting of chemically-unset melee diamonds
Cleaning & oiling of emeralds
Coral species identification
Cullinan report
Consulting
Publications
T. Hainschwang
F. Notari
C. Caplan
F. Blumentritt
Other
Diploma (D.U.G.)
Products
News
Contact
en
fr
