Gemmological Association of Great Britain
Services include reports for diamond grading, pearl and gem identification. Also provide re-polishing diagrams for diamonds and verbal assessments for diamond colour and clarity
Gemmological Association of Great Britain
Homepage	Address	Contact	
www.gem-a.info/	27 Greville Street
Saffron Hill
London EC1N 8TN
United Kingdom (Great Britain)
	N: Jack Ogden
T: +44 (0) 20 7404 3334
F: +44 (0) 20 7404 8843
E: information@gem-a.com	
Gem-A, which began as a Gemmological Committee of the National Association of Goldsmiths, first introduced a gemmology qualification in 1908 in order to encourage jewelers to understand the gems they were selling and to identify the fakes.