German Gemmological Association

What German Gemmological Association does

German Gemmological Association (Deutsche Gemmologische Gesellschaft e.V., DGemG) is a non-profit scientific and technical professional association founded in 1932 and headquartered at Prof.-Schlossmacher-Str. 1, Idar-Oberstein, Germany — the country's gemstone capital. Its statutory mission is the advancement of gemmology as a science and the development of gemmological education. The association delivers certified training programmes through a fully equipped training centre with laboratory facilities and a teaching collection of gemstones, syntheses, and imitations. Core offerings include the 11-week Coloured Stones Programme (€7,450), the four-week Diamond Programme (€2,880), a Pearls/Organic Substances programme, a Scientific Methods in Gemmology programme covering Raman and infrared spectroscopy (€790/week), Sales Expertise courses, advanced F.G.G. seminars, and a 17-week full-time Diploma Course (€10,690) leading to an internationally recognised Diploma in Gemmology. Courses are delivered in-person at the Idar-Oberstein training centre in German and English.

The business model combines three revenue streams: (1) tuition from individual seminars and bundled diploma programmes, (2) recurring membership dues from F.G.G. specialist members, and (3) GEMMOLOGIE journal subscriptions (published since 1952, two double issues per year). Customer segments include practicing gemmologists and diamond graders seeking professional certification, jewellery retail staff needing foundational knowledge, F.G.G. specialist members requiring continuing education, and industry newcomers reached through joint initiatives with industry associations. DGemG complements training with an online Gemstone Library, the journal, member events, and trade fair access, and maintains representation on international standards committees including IGC, ICA, CIBJO, GILC, and FEEG. The association is led by President Dr. Thomas Lind and Managing Director Dr. Tom Stephan, holds ISO 9001-equivalent (qmas_9001) certification for training delivery, and operates the Deutsche Stiftung Edelsteinforschung (DSEF) subsidiary in-house to issue gemstone certificates. No external equity ownership, funding rounds, or parent-company relationships are disclosed.

Name

German Gemmological Association

Legal name

Deutsche Gemmologische Gesellschaft e.V.

Website

https://dgemg.com

Company type

Private

Founded year

1932

Operating status

Operating

Headcount range

1–10 employees

Short description

The German Gemmological Association (DGemG) is a non-profit scientific association founded in 1932, headquartered in Idar-Oberstein, Germany, delivering certified gemmological training programmes, diploma courses, membership services, and the GEMMOLOGIE journal to professional gemmologists, diamond graders, jewellery retailers, and industry newcomers worldwide.

Ownership category

akta.pro rank

Product category

Professional Gemmological Education and Training

NAICS

Religious, Grantmaking, Civic, Professional, and Similar Organizations (813), Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (541715)

SIC

Services-Commercial Physical & Biological Research (8731)

akta.pro primary industry

Diamond Grading & Certification Laboratories (CRAKAJAG)

akta.pro secondary industry

Colored Gemstone Identification & Certification Laboratories (CRAKAJAH)

Keywords

• Gemmological education
• Diamond grading training
• Coloured stones programme
• Gemstone identification courses
• Professional gemmology certification

Headquarters

HQ city

Idar-Oberstein

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Others

Revenue model

1. Seminar and Training Programme Fees: Revenue from week-long seminars and multi-week educational programmes including coloured stones, diamond grading, pearls/organic substances, scientific methods, sales expertise, and full-time diploma courses. Individual courses and bundled programmes are priced differently.
2. Membership Dues: Annual membership fees provide access to the journal GEMMOLOGIE, gemstone library, branch events, trade fairs, conferences, and member ID card.
3. Journal Subscription: The journal GEMMOLOGIE can be subscribed to separately. Individual issues or complete volumes are available for purchase on request.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

The German Gemmological Association (DGemG) is a non-profit training and research institute that delivers week-long and multi-week professional gemmological education programmes covering coloured stones, diamond grading, pearls/organic substances, scientific analytical methods, and sales expertise, culminating in an internationally recognised Diploma in Gemmology. It also publishes the GEMMOLOGIE technical-scientific journal, maintains an online Gemstone Library of diagnostic inclusions, and awards the F.G.G. professional fellowship to qualified gemologists.

Product overview

The German Gemmological Association (DGemG) is a training and research institute offering comprehensive gemmological education programmes. Its core product portfolio consists of specialized week-long programmes including the Coloured Stones Programme (G1-G12 covering corundum, beryl, and other gemstones), Diamond Programme (DG1-DG4 covering the 4 C's), Pearls/Organic Substances Programme, Scientific Methods in Gemmology (spectroscopy and analytical methods), Sales Expertise, and F.G.G. advanced seminars. These are available as individual courses or bundled into a full-time 17-week Diploma Course. Supporting services include the Gemstone Library (digital reference resource) and the GEMMOLOGIE journal (technical publication since 1952). Professional membership (F.G.G.) is awarded upon programme completion. The organization operates from Idar-Oberstein, Germany's gemstone capital, with training available in German and English.

Differentiator

Problem solved

Functional benefit

Products and services

• Coloured Stones Programme An 11-week comprehensive training programme (G1-G11 plus final exam G12) covering coloured gemstone identification, synthetics, imitations, treatments, and evaluation criteria. Priced at €7,450 for the complete programme with a 3-day exam; individual weeks available at €720 each. Targeted at practicing and aspiring professional gemologists.
• Diamond Programme A four-week training programme (DG1-DG4) covering diamond properties, grading using the 4 Cs, identification of synthetics and treated stones, and certificate preparation. Priced at €2,880 for the complete programme with final exam. Targeted at diamond graders and jewelry trade professionals.
• Pearls/Organic Substances Programme A one-week programme covering pearls, cultured pearls, coral, ivory, and amber, including identification of imitations and treatments and correct nomenclature, ending with a final exam. Targeted at jewelry professionals requiring organic substance expertise.
• Scientific Methods in Gemmology An advanced seminar (priced at €790 per week) focusing on mobile and stationary laboratory instruments, including Raman spectroscopy, photoluminescence, infrared spectroscopy, UV/Vis/NIR spectroscopy, and chemical analysis. Targeted at advanced gemologists and laboratory analysts.
• Sales Expertise A series of individual one-week seminars (G1 Introduction to Gemmology, DG1 Diamond Grading I, G10 Commercial Gemmology, P/OS Pearls) providing the basic knowledge necessary for selling jewelry with gemstones, diamonds, and pearls in retail. Each seminar priced at €720. Targeted at jewelry retail sales staff.
• F.G.G. Seminars Advanced continuing-education seminars for professional DGemG members (F.G.G.), gemologists, diamond appraisers, and experts covering new gemstones, synthetics, treatments, and identification methods. Targeted at existing F.G.G. specialists maintaining their fellowship.
• Diploma Course (Vollzeitbildungsgang) A full-time, intensive 17-week diploma programme (€10,690) combining coloured stones, diamonds, and pearls/organic substances training, leading to the internationally recognised Diploma in Gemmology. Targeted at professionals seeking the association's flagship credential.
• Gemstone Library A digital library providing up-to-date information on characteristics and diagnostic inclusions of all commercially important gemstones and collector stones. Available to DGemG members and seminar participants.
• GEMMOLOGIE Journal

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered core.

• Universities (Mainz, Heidelberg, Hamburg, Würzburg)coreStrategic or Co-development PartnerCollaborations with leading German universities including Mainz, Heidelberg, Hamburg, and Würzburg for academic recognition and research collaboration in gemmological science.
• Fachhochschule Rheinland-Pfalz (Rhineland-Palatinate University of Applied Sciences)coreStrategic or Co-development PartnerPartnership with the Rhineland-Palatinate University of Applied Sciences for academic collaboration in gemmological education and research.
• Deutsche Stiftung Edelsteinforschung (DSEF) - German Foundation for Gemstone ResearchcoreStrategic or Co-development PartnerThe DSEF issues certificates from within the DGemG building, providing independent gemstone certification services.
• International Gemmological Conference (IGC)coreOthersDGemG represented on this important international committee for the gemstone and jewellery sector.
• International Coloured Gemstone Association (ICA)coreOthersDGemG represented on this important international committee for coloured gemstone trade.
• World Jewellery Confederation CIBJOcoreOthersDGemG represented on CIBJO which establishes nomenclature guidelines and standards for the jewellery industry.
• Gemstone Industry and Laboratory Conference (GILC)coreOthersDGemG represented on this important international committee for gemstone industry standards and laboratory practices.
• Federation for European Education in Gemmology (FEEG)coreOthersDGemG is a member of FEEG, the federation promoting European education standards in gemmology.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Gem-A (Gemmological Association of Great Britain): UK-based, longest-running gemmological association offering diploma and short courses; closest structural analogue as a non-profit society offering gemmology credentials similar to DGemG's F.G.G.
• HRD Antwerp: Antwerp-based diamond grading lab with its own gemmology school; directly comparable as an education + certification provider focused on diamonds.
• Gübelin Gem Lab: Lucerne-based gemstone testing authority with a growing education and reference content offering in coloured stones; competes with DGemG for advanced gemmology students.
• International Gemological Institute (IGI): Global gemmological education and certification body with schools and on-site labs; directly competes with DGemG for diamond grading and coloured stone identification trainees worldwide.
• Gemological Institute of America (GIA): The world's largest gemmological education and grading organisation; offers parallel diploma and short-course programmes in diamonds, coloured stones and pearls, and is the most direct head-to-head competitor for DGemG's Coloured Stones and Diamond Programmes.
• American Gem Society (AGS): US non-profit trade association delivering gemmology credentials and continuing education to the jewellery trade; structurally similar membership-and-certification model to DGemG.
• Swiss Gemmological Institute (SSEF): Swiss gem testing laboratory that also offers courses and runs the FGG's sister-track training in coloured stones and pearls; operates in the same niche of scientific gemmology and education.

Others

• Responsible Jewellery Council (RJC): Standards-setting body for the jewellery supply chain that overlaps thematically with DGemG's role in gemmological standards and traceability education.
• International Colored Gemstone Association (ICA): Global coloured gemstone trade body on whose board DGemG holds a seat; peer industry ecosystem rather than direct competitor.

Broad incumbents

• Antwerp World Diamond Centre (AWDC): Belgian diamond industry umbrella body representing the broader Antwerp diamond trade — overlapping with DGemG's diamond education mission at an industry rather than school level.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/deutsche-gemmologische-gesellschaft

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about German Gemmological Association