September 2005 Vol. 14 No · 2017-05-06 · decision need to know enough gemmology and have enough...
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September 2005 Vol. 14 No.3
Transcript of September 2005 Vol. 14 No · 2017-05-06 · decision need to know enough gemmology and have enough...
September 2005 Vol. 14 No.3
The Gem Testing Laboratory
1925-2005
m testing laboratory in the world ...
... and the inspiration for many others
Laboratory testing of Gemstones and Jewellery, Diamond Grading