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₹50000
COLORSTONE : Colorstone
DIPLOMA IN COLOR GEMSTONES IDENTIFICATIONS
History of Gemstones, Sources of Gemstone, Basic Knowledge of Mining, Crystallography (Identification of Rough Gemstone), Visual Observation (Iden...
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₹35000
COLORSTONE : Colorstone
DIPLOMA IN COLOR GEMSTONES GRADING
Grading/Assortment, Color Grading, Clarity Grading, Cut Grading and Sizing of Gemstones, Assortment of Gemstones, Basic Knowledge of Cutting and ...