Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.
A Preliminary SIMS Study Using Carbon Isotopes to Separate Natural from Synthetic Diamonds. Published in Journal of Gemmology, 2018, 36, 1, 38-43.
Author(s) : H.A.O. Wang, L.E. Cartier, L.P. Baumgartner, A.-S. Bouvier, F. Begué, J.-P. Chalain, M.S. Krzemnicki
Diamond testers with a limited performance. Published in Journal of Gemmological Association of Hong Kong GAHK, 2017, 38, 37-39.
Author(s): H.A. Haenni
Retrospective views on the identification of the HPHT treatment. Presentation by Jean-Pierre Chalain at 2015 Gem-A conference in London (UK)
Presentation by Jean-Pierre Chalain at 2015 Swiss Gemmological Society conference on HPHT treatment detection at SSEF
Diamant-Typen: Identifikation und Bestimmung von Behandlungen. Gold’Or (2011)
Author(s): J.-P. Chalain
Presentation at 2009 European Gemmological Symposium (Bern, Switzerland) by Jean-Pierre Chalain on the platelet peak of HPHT-treated diamonds of type Ia.
A diamond briefing with Prof. Henry Haenni. Published in Jewelry World, 2007.
Jewelry repair damages a diamond. Published in Gems & Gemology, 2006.
Author(s): H.A. Haenni
About type II diamonds showing a 648.0 nm PL peak. Published in GIT Proceedings, 2006.
Author(s): J.-P. Chalain, P. Lefevre, H.A. Haenni