Earn the most prestigious credential in the industry. GIA’s Graduate Gemologist Diploma Programme gives you comprehensive knowledge of diamonds and coloured stones you need to succeed anywhere in the jewellery business. You will gain both technical expertise and practical skills to evaluate diamonds by the GIA 4Cs (Colour, Clarity, Cut, and Carat Weight) and the GIA International Diamond Grading System™, and to identify and evaluate common and unusual gemstones.

The programme consists of two diploma programmes (Graduate Diamonds and Graduate Colored Stones).


Course Highlights

  • Judge and grade diamonds by the 4Cs
  • Learn diamond identification and grading skills used by GIA
  • Detect synthetics, treatments, simulants and fracture-filled diamonds and coloured stones
  • Learn the characteristics of coloured stones, with a focus on ruby, sapphire, and emerald
  • Identify more than 250 combinations of varieties and species of gemstones, distinguish natural gems from synthetics
  • Grade gemstones using a Microscope, polariscope, spectroscope and other professional gemmological equipments

Ideally Suited For

  • Diamond Manufacturer
  • Jewellery Manufacturer
  • Loose Diamond / Coloured Stone Buyer and Seller
  • Jewellery Retailer and Wholesaler
  • Lab and Research Professional
  • Any individual aspiring for a career in the gem and jewellery industry

Tanay Khandelwal
Tanay Khandelwal
Graduate Gemologist, Accredited Jewelry Professional diploma programme, Jaipur

Training at GIA has helped me understand my business and customers better. It has given me the confidence to handle customer queries, make more informed buying and selling decisions. Overall, it has helped me increase my customer satisfaction and trust level.

For more details and registration contact :
Contact No. : 1800 41 999 14
Mobile : +91750673 2927