The Rise of Colour: Celebrating Rare Coloured Gemstones
At the GemGenève May 2025 edition, colour took centre stage. In a spirited conversation moderated by jewellery journalist and content creator Katerina Perez, three experts — Carl-Philip Arnoldi, the future successor of the German cutting house HC Arnoldi, Constantin Wild, president of Constantin Wild GmbH & Co.KG, and David Nassi, third-generation gem merchant and ...