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Come to where the knowledge is! Deutsche Gemmologische Gesellschaft eV (German Gemmological Association)

Diploma Course

Course Overview

  • Coloured stones
    Characteristics, occurrences, practical gem testing with gemmological instruments, identification of synthetic stones, imitations and treated stones, evaluation criteria, preparation of gemstone reports
  • Diamonds
    Characteristics, practical grading, identification of synthetic diamonds, imitations and treated stones, preparation of diamond reports
  • Pearls/Organic substances
    Occurrences, species, qualities, imitations and treatment of pearls, cultured pearls, coral, ivory, amber


Date 2024

  • 12.08.-06.12.2024 (17 weeks)

Price: € 9,950.00


Date 2025

  • 11.08.-05.12.2025 (17 weeks)

Price: € 10,395.00



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