- Established in 1931, GIA is considered the world’s foremost authority in gemmology. Present in 13 countries, with 10 campuses, 4 research centres, and 9 grading laboratories grading the world’s most important gemstones.
- GIA is a nonprofit institution dedicated to continuous education and research in the field of gems and jewellery.
- GIA’s mission is to ensure public trust in gem and jewellery by upholding the highest standards of integrity, academics, science, and professionalism.
- GIA created global standards to accurately determine the quality of diamonds (4Cs – Colour, Clarity, Cut, and Carat Weight), coloured stones and pearls (7 Pearl Value Factors™ - Size, Shape, Colour, Nacre, Lustre, Surface, and Matching).
GIA has been a superb experience, and what I have learnt from GIA is so much more than what I imagined
GIA Colored Stones Graduate, Odisha
GRADUATE COLORED STONES PROGRAM
Identify a stunning variety of gemstones. Evaluate them by quality, rarity, and colour. Study the most effective grading, buying, and selling techniques. A dazzling spectrum of opportunities awaits those who understand the coloured stone marketplace. .
WHAT YOU'LL LEARN
- Identify 60 species of common and unusual gemstones including ruby, sapphire, emerald, demantoid garnet, and benitoite, and how illumination techniques can facilitate the identification process
- Detect latest treatments such as opal doublets, opal triplets, heat treated rubies, beryllium diffused sapphires and rubies, lattice diffused sapphires and many other treatments
- Detect synthetics, rubies, sapphires, emeralds and many other gemstones by identification of inclusions and use of common gemmological instruments
- Gain experience on working of common gemmological instruments such as microscope, 10x loupe, polariscope, refractometer, spectroscope (hand-held and tabletop), dichroscope, Chelsea filter and ultraviolet lamp (long wave & short wave)
- Gain additional knowledge of high-tech equipment used in renowned gem testing laboratories such as FTIR, Raman Spectroscopy, and others
POSSIBLE CAREER PATHS
- Coloured Stone Manufacturers
- Jewellery Manufacturer
- Loose Diamond / Coloured Stone Buyers and Sellers
- Jewellery Retailers and Wholesalers
- Lab and Research Professionals
- Any individual aspiring for a career in the gem and jewellery industry
Here are some of the topics covered in the Graduate Colored Stones Diploma Program.
COLORED STONE GRADING
diamonds by the
4Cs and color.
of colored stones, with
a focus on ruby,
sapphire, and emerald.
identification and grading
skills GIA graders use.
that have been treated
or are imitations.
factors and the supply
chain affect value.