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GRADUATE DIAMONDS

The tremendous, treasured, and timeless diamond…


Named after the Greek word for ‘invincible’, diamonds are at the heart of glamour in the gems and jewellery industry. GIA’s Graduate Diamonds Diploma Programme helps you master the glittering world of diamonds.



Course Highlights


  • Understand how diamonds are formed, mined, manufactured, and marketed
  • Grade diamonds as per the GIA International Diamond Grading System™ to assess the 4Cs –  Colour, Clarity, Cut and Carat Weight – and learn  how they affect diamond value
  • Grade diamonds in the D-to-Z colour range
  • Learn estimation of weight of mounted diamonds with the aid of formulae
  • Learn to grade diamonds with the aid of 10x loupe as per market practice
  • Identify diamond treatments for colour and clarity such as HPHT, coating, irradiation, fracture-filling and  laser drilling
  • Identify the common diamond look-alikes (simulants) such as synthetic moissanite, cubic zirconia, zircon, synthetic rutile, ST, GGG and YAG
  • Train with over 140 actual diamonds
  • Identify synthetic diamonds (man-made diamonds / lab-grown diamonds) using 10x loupe and microscope
  • Gain additional knowledge of high-tech equipment used in renowned gem testing laboratories

Ideally Suited For


  • Diamond Manufacturer
  • Jewellery Manufacturer
  • Loose Diamond Buyers and Sellers
  • Jewellery Retailer and Wholesaler
  • Lab and Research Professional
  • Any individual aspiring for a career in the gems and jewellery industry

Upcoming courses