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Coloured Gemstones Identification Course (CGIC) 

Get the trade oriented training with true, ethical and professional lab standards from India's First Master Trainer by the G&J S council of India with 34 years of Jewellery trade experience as legacy & adding 16 years of teaching experience.

DURATION: 4 Months ( 5 days a week-Tuesday to Saturday)

  • Module I

    • Gemology
    • Minerals
    • Categories of Gemstones
    • General Observations
          Colour, Transparency
          Cutting Style, Phenomena
          Lustre, Dispersion, Heft
          Assembled Stones
    • Physical characteristics
    • Crystallography
    • Light Theory/ Polarization
  • Module II
    • Inclusions- Characteristic/ Diagnostic
    • Equipments
    • Group/Specie/Variety
    • Gemstone Study
          Practical Study of Minimum 850 Stones
    • Identification of Mines/ Sources
    • Identification of Synthetics
          Flame Fusion/Verneuil Process
          Pulled / Czochralski, 
          Skull Melt
          Flux
          Hydrothermal / Bomb
              Stones Synthesized
              Characteristics/Manufacturers
              Identification techniques
    •  Gem Enhancement Techniques

          Heat, Radiation, Chemical Diffusion
          Fracture Filling, Bleach, Surface Modification
          Surface Impregnation, Laser Drilling

     

  • Module III                                                                (Advanced)
    • Fluorescence
    • Pricing/ Valuation
    • Treatments
    • Market Terms/ Indian Trade

     

     

Speaker/s

Mr. Ashish Kalra
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