Diamonds andDiamond Grading Course
Diamondsfor the Retail Jeweller Course
Metals used in Jewellery Course
Essentials of Coloured Stones Course
Introduction to Tanzanite Course
Coloured StoneGrading Course
Coloured DiamondGrading Course
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Johannesburg:
Tel: +27 (0) 83 701 9830
E-mail: info@gemtraininginternational.com
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