DGemG & DSEF information
DGEMG & DSEF (EN)
6 February 2024
6 February 2024
National and International Cooperation of DGemG and DSEF
One of the most important reasons for the almost simultaneous founding of the first gemmological associations in the 1930s (Gemmological Association of Great Britain and...
DGEMG & DSEF (EN)
6 February 2024
6 February 2024
Idar-Oberstein, the gemstone trade and gemstone research
Unlike other industry sectors which come to a standstill as local rough material production becomes scarce, the gemstone industry in Idar-Oberstein endures, 150 years after the...