01. Nov IGC 2025 Pink to Red and Violet Diamonds from the Argyle Mine, Australia: Properties, Color Origin and Latest Research Results Thomas Hainschwang Download Pdf DiamondOrigins
01. Nov IGC 2025 A Photo Survey of Inclusions in Fossiliferous Amber For many, fossiliferous tree resin, primarily amber, gained wide visibility to the public in 1993 wh Read More Elodie
01. Nov IGC 2025 Study of “amethysts” from the French Crown Jewels Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo Read More Laurent Cartier
01. Nov IGC 2025 History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy Bohemian garnets, i.e., chromium-bearing pyropes, are found in several jewellery pieces from the Mig Read More Laurent Cartier