Laboratories in United Kingdom

Gemmological Association & Gem Testing Laboratory
of Great Britian:

Address:
27 Greyville Street
London EC1N8SU
United Kungdom
Tel: 44-171-4053351
Fax: 44-171-8319479
E-mail: gagtl@btinternet.com
Web: http://www.gagtl.ac.uk/gagtl
Owner:
Mutual company for the benefit of members. The CIBJO registered lab for the UK.
Services Offered:
Diamond grading, verbal assessment for color and clarity, repolishing diagrams, colored
diamond determination, pearl identification, gem identification, educational courses.
Certificate/Report:
Diamonds:
Weight, color, clarity, shape and cutting style, measurements, proportions
(height percentage and table percentage), polish, symmetry, girdle, UV-fluorescence,
comments.
Gems:
Description and result. Country of origin and heat treatment opinions place under coments.
Educactional Programs:
PGA diploma courses, DGA diploma course

 

 

 

 

 

 

 

 

 

WTS.
Email: info@colorstones.com