17. Nov IGC 2025 Studying renowned fancy color diamonds in museum collections: the case of the Winston Red Gaillou E., Farfan G.A., D’Haenens-Johansson U.F.S., Persaud S., Feather II R.C., Towbin W.H., Jones D.C. Download Pdf Diamond
17. 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
17. Nov IGC 2025 Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique This presentation explores the modern advancements in freshwater pearl cultivation in China, focusin Read More Laurent Cartier
17. Nov IGC 2025 Low Temperature Heat Treatment of Madagascar Sapphire One of the challenges facing gemologists today is the detec- tion of low temperature (below 1200°C) Read More Elodie