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Herausgeber: 
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein

 

Educational Programme

The German Gemmological Association has been one of the world’s leading training and research institutes for gemstones since its foundation in 1932. Its fully equipped training centre with an extensive display and teaching collection, as well as laboratory rooms with new, reliable technology, provide the perfect environment for sharing specialised knowledge about gemstones in theory and practice.

Diploma Course

The most effective form of gemmological training and further education is the full-time training programme. This includes Gemmology, Diamond Grading as well...

Coloured Stones Programme

The colourful world of gemstones offers a fascinating subject for study. Our programme provides the ideal in-depth introduction to the essential gemstone...

Diamond Programme

The Diamond Programme comprises of four one-week seminars for anyone looking to gain the theoretical and practical knowledge required to reliably determine...

Pearls/Organic Substances Programme

In this one-week seminar, we will provide you with a comprehensive overview of the various types of pearls and cultured pearls currently available on the...

Scientific Methods in Gemmology

Do you want to deepen your gemmological knowledge? Would you like to expand your gemmological laboratory with more practical testing methods? Advances in...

Sales Expertise

It is essential to have a solid basic knowledge of gemstones as well as diamonds and pearls to provide professional advice to your customers. To fulfil these...

My Seminar Planner

Diploma Course

Diploma Course

The course leads to an internationally recognized qualification, the Diploma in Gemmology of the German Gemmological Association. details...

Date
Seminar fee:
10.395,00 €

Diamond Programme

Diamond Programme

Consisting of 4 single weeks (DG1-DG4), final exam included in DG. details...

Date
Seminar fee:
2.800,00 €

DG1 Diamond Grading I

Properties and features of diamond, basics of diamond grading, practical clarity and colour grading. details...

Date
Seminar fee:
700,00 €

DG2 Diamond Grading II

Practical cut grading of brilliants and other cut styles (proportions, symmetry and polish) as well as evaluation of cuts. details...

Date
Seminar fee:
700,00 €

DG3 Diamond Grading III

Identification of imitations, identification of synthetic and treated stones, practical grading, grading of coloured diamonds. details...

Date
Seminar fee:
700,00 €

DG4 Diamond Grading IV

Practical diamond grading (4 C), evaluation basis and formulation of certificates and expert opinions. details...

Date
Seminar fee:
700,00 €

Pearls/Organic Substances Programme

P/OS Pearls/Organic Substances

Their compositions, natural origins, artificial treatments, detection of imitations and correct nomenclature are also covered. The Pearls/Organic Substance Programme ends with the final exam on the last day. details...

Date
Seminar fee:
700,00 €

Coloured Stones Programme

Coloured Stones Programme

Consisting of 11 single weeks (G 1-G 11) plus three days exam (G 12). Includes a 10 % discount of the total fee for G 1-G12. details...

Date
Seminar fee:
7.245,00 €

G1 Introduction to Gemmology

General definitions, formation, properties and features as well as application of gemstones. details...

Date
Seminar fee:
700,00 €

G2 Basics of Gem Identification

Structural, chemical and physical properties of gemstones and basis of investigation methods. details...

Date
Seminar fee:
700,00 €

G3 Advanced Gem Identification 1

Practical use of gemmological testing instruments. details...

Date
Seminar fee:
700,00 €

G4 Avanced Gem Identification 2

Practical identification of gemstones and imitations. details...

Date
Seminar fee:
700,00 €

G5 Specific Gem Identification 1: Corundum

Occurrences, properties, identification, synthetics and imitations as well as treatment of ruby and sapphire. details...

Date
Seminar fee:
700,00 €

G6 Specific Gem Identification 2: Beryl

Occurrences, properties, identification, synthetics and imitations as well as treatment of emerald and other beryl varieties. details...

Date
Seminar fee:
700,00 €

G7 Specific Gem Identification 3

Occurrences, properties, identification, synthetics and imitations as well as treatment of diamond, chrysoberyl, spinel, quartz and opal. details...

Date
Seminar fee:
700,00 €

G8 Specific Gem Identification 4

Occurrences, properties, identification, imitations and treatment of peridot, garnet, zircon, topaz, zoisite, tourmaline, spodumene, etc. details...

Date
Seminar fee:
700,00 €

G9 Specific Gem Identification: Opaque gemstones and mounted gemstones

Properties, identification, imitations and treatment of turquoise, jade, lapis lazuli, feldspar, quartz etc., methods and practical identification of mounted gemstones. details...

Date
Seminar fee:
700,00 €

G10 Commercial Gemmology

Criteria of gemstone evaluation and types of workmanship around gemstones. details...

Date
Seminar fee:
700,00 €

G11 Preparation course for the Coloured Stones final exam

Preparation of written gemstone reports, nomenclature, theoretical and practical preparation for the coloured stones final exam. details...

Date
Seminar fee:
700,00 €

G12 Coloured Stones final exam

Coloured Stones final exam. details...

Date
Seminar fee:
350,00 €

Sales Expertise

G1 Introduction to Gemmology

General definitions, formation, properties and features as well as application of gemstones. details...

Date
Seminar fee:
700,00 €

G10 Commercial Gemmology

Criteria of gemstone evaluation and types of workmanship around gemstones. details...

Date
Seminar fee:
700,00 €

DG1 Diamond Grading I

Properties and features of diamond, basics of diamond grading, practical clarity and colour grading. details...

Date
Seminar fee:
700,00 €

P/OS Pearls/Organic Substances

Their compositions, natural origins, artificial treatments, detection of imitations and correct nomenclature are also covered. The Pearls/Organic Substance Programme ends with the final exam on the last day. details...

Date
Seminar fee:
700,00 €

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