Graduate Colored Stones

The Graduate Colored Stones diploma programme explores the identification of common and unusual gemstones found in the marketplace. Subjects covered include the GIA Colored Stone Grading System and the correct usage of standard gemmological equipment to distinguish natural, treated and synthetic gemstones. The programme also examines which gems are commercially important, shifting supply patterns, and how these factors affect gem prices and availability. This programme also includes the study of more than 60 species of gemstones, and how illumination techniques can facilitate the identification process.

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Course Highlights

  • Build a knowledge base about coloured stones and the coloured stone market
  • Use gemmological equipment effectively to identify gemstones
  • Use the GIA Colored Stone Grading System to evaluate gemstone quality
  • Recognise how quality, rarity and colour affect value
  • Determine how market factors affect gem value
  • Understand how gems are mined, fashioned and brought to the marketplace

Ideally Suited For

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



  • Sradha Khandelwal
    Sradha Khandelwal
    Graduate Colored Stones Diploma Programme, Orissa

    My family background is not in gems and jewellery, so I always thought that every green stone is an emerald, that every red stone is a ruby and that all blue stones are sapphires. After coming to GIA, I learnt that there are so many stones to know and learn about. GIA has been a superb experience, and what I have learnt from GIA is so much more than what I imagined. I will confidently use my knowledge as I join the ranks in the gem and jewellery industry.

  • Sradha Khandelwal
    Rohan Satikunver
    GIA Graduate Gemologist Classic Gems & Jewellery – Proprietor

    “My experience of attending GIA has been delightful. Having a family business within this industry, the courses that I have enrolled in have allowed me to acquire in-depth knowledge regarding the industry, not only from a gemmological point of view, but also from a business perspective. GIA has provided me with the wonderful opportunity of studying in Mumbai. This has enriched my experience, allowing me to interact with a wider variety of people of different nationalities.”

For more details and registration contact :
Contact No. : 1800 41 999 14
Email : eduindia@gia.edu
Mobile : +91750673 2927
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