City:London
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Gemmological Association & Gem Testing Laboratory of Gr...
27 Greyville Street, London, United Kingdom, EC1N 8SU
www.gagtl.ac.ukFull Gem-A Diamond Grading Report Full CIBJO Diamond Report Verbal assessments of colour and/or clarity Advice about re-polishing of diamonds Detection of laser drilling and infilling The Gem Testing Laboratory of Great Britain Diamond Report is based on ...
Category:Laboratories
GIA London
www.gia.eduFull Service Gemological Training & Jewelry Manufacturing Arts
Category:Gemological Training
Gemmological Association & Gem Testing Laboratory of Gr...
27 Greyville Street, London, United Kingdom, EC1N 8SU
www.gagtl.ac.ukEducational Programs: FGA diploma courses, DGA diploma courses and short daytime courses.
Category:Gemological Training