sergejnowo, Well, if caught, so continue!
Diagnosis and definition of quality and color of diamonds produced by 10-fold magnifying glass. In a special light. Devices help and are of secondary importance.
The most important thing is a trained expert eye!
A good judge will feature at times muassonit of diamond, without instruments. In the eye!
And any other simulation.
Since any simulation has its own characteristics that the experts and know.
This is a difficult profession requires years of experience.
And, as a rule, experts specialize in diamonds on the add.
Experts in emeralds and rubies, sapphires are working with this group of stones.
Talking can be very long on this subject.
When the Council of Deputies to receive such a profession was extremely difficult, because the production and sale of diamonds included in a closed profession. Cutters preparing special school for "Kristall". Also prepared sorters and appraisers, etc.
But getting there was quite a challenge, as indeed in many industries that have been shrouded in state secrets .(??????)
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