This course will cover only cut and polished stone and will emphasis the use of the 10x lenses in identification.
This course has been especially and commonly designed for traders and dealers who wants to take knowledge regarding Ruby , Emerald , Sapphire only in spite of doing all mentioned before.
With increasing number of stones selected, there is a corresponding decrease in the number of session per gemstones.
TOPIC TO BE COVERED
© 2021 International Gem Testing Laboratory.