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How to Become a Gemologist?

Gemmology education focuses on a broad range of topics related to diamonds and colored gemstones, including gemstone origins, treatments, grading methodology, gemstone quality, use of gemmological equipment, and techniques, and manufacturing processes.
To be a successful gemmologist, one needs to acquire adequate knowledge in the required stream. One of the comprehensive gemmology courses offered by Gemmological Institute of America® (GIA®) is the GIA Graduate Gemmologist (GG) diploma, a 28-week programme that helps one build a comprehensive knowledge about diamonds as well as coloured gemstones. In fact, after completing a course with GIA, gemstone sorting, grading or identifying will become easier because of research-backed gemmological knowledge and hands-on practical training.
Receiving a formal education in gemmology enables you to gain the highest level of gemmological skills. Acquiring professional training and a globally-recognised credential can become a big stepping stone in the world of gems and jewellery.

Scope of Gemmology

  • India is the world's largest diamond cutting and polishing center, thus, making the industry more promising.
  • Companies throughout the industry are consistently seeking trained talent to join their businesses and their profession demands an eye for detail and dedication to quality.
  • Skilled graders who can evaluate the quality of diamonds and coloured gemstones early on in the manufacturing process are highly sought after in the industry.

Possible Career Paths

Auction Specialist

Research Professional





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About GIA

Established in 1931, GIA protects the public through gemmological research, education, impartial gem identification and grading services, and instrument development. The world’s foremost authority in gemmology and creator of the 4Cs, GIA sets the standard for determining the quality of diamonds and performs research-based identification of coloured gems and pearls. All of GIA's activities are governed by its mission to serve the public. Learn More