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ABOUT GIA

  • Established in 1931, GIA is the world’s foremost authority in gemmology. Present in 13 countries, with 7 campuses, 4 research centres, and 9 grading laboratories, GIA grades and identifies some of 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 the public trust in gems 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 – Color, Clarity, Cut and Carat Weight), coloured stones and pearls (7 Pearl Value Factors - Size, Shape, Colour, Nacre, Lustre, Surface and Matching).

ALUMNI SPEAK

gcs

GRADUATE COLORED STONES PROGRAM

GRADUATE-DIAMONDS-PROGRAM-GIRL

The GIA Graduate Colored Stones diploma 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.

THE GRADUATE COLORED STONES DIPLOMA COVERS

  • Building a knowledge base about coloured stones and the coloured stone market
  • Using gemmological equipment effectively to identify gemstones
  • Explaining the GIA Colored Stone Grading System and evaluating gemstone quality
  • Recognizing how quality, rarity and colour affect value
  • Determining how market factors affect gem value

POSSIBLE CAREER PATHS

  • Appraiser
  • Coloured Stone Manufacturers
  • Jewellery Manufacturer
  • Loose Coloured Stone Buyers and Sellers
  • Jewellery Retailers and Wholesalers
  • Lab and Research Professionals
  • Jewellery Buyer
  • Auction House Jewellery Specialist
  • Estate Jewellery Dealer
  • Pawnbroker
  • Any individual aspiring for a career in the gem and jewellery industry

TOPICS COVERED

Here are key topics covered in the Graduate Colored Stones Diploma Program.

COLORED STONES & COLORED STONE GRADING
COLORED STONES &
COLORED STONE GRADING

Learn the characteristics
of coloured stones, with
a focus on ruby,
sapphire and emerald.
GEM IDENTIFICATION
GEM
IDENTIFICATION

Identify more than 60
species of gemstones,
distinguish natural gems
from synthetics, and
detect gem treatments.
EQUIPMENT & INSTRUMENTATION
EQUIPMENT &
INSTRUMENTATION

Learn coloured
stone identification
skills GIA graders use.
TREATMENTS, SYNTHETICS & IMITATIONS
TREATMENTS,
SYNTHETICS &IMITATIONS

Identify gemstones
that have been treated
or are imitations.
MARKETS &
SUPPLY CHAINS

Understand how market
factors and the supply
chain affect value.

CAMPUS TOUR

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COURSE CALENDAR