Diamonds andDiamond Grading Course
Diamondsfor the Retail Jeweller Course
Metals used in Jewellery Course
Essentials of Coloured Stones Course
Coloured StoneGrading Course
Coloured DiamondGrading Course
A binocular microscopes that magnifies up to 40x. The magnification is variable between 10x and 40x. This feature is essential when examining the gem or the inclusions that may be present in the gemstone.
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