Sep 2023: Do not miss! There are two interesting autumn dates in Idar-Oberstein: The second working conference 2023 of the German Gemmological Society and the Intergem, the international gemstone trade fair.
May 2022: JCK Fair is considered the most important jewelry fair in North America. For three decades, this event has been a platform for trendsetting jewellery, innovative products and brands. KASSOY & A.KRÜSS Gemmology will be in 2022 jointly on location .