L’indentification du traitement HPHT au SSEF
Author(s) : -
Date : 2015
Presentation by Jean-Pierre Chalain at 2015 Swiss Gemmological Society conference on HPHT treatment detection at SSEF
Tag : Treated Diamonds
Diamond testing at SSEF
Author(s) : -
Date : 2010
Tags : Diamond Grading / Diamond Testing / Natural Diamonds / Research / Synthetic Diamonds / Treated Diamonds
2010 Swiss Gemmological Conference presentation by Jean-Pierre Chalain on diamond grading and testing practices at the Swiss Gemmological Institute (SSEF).
Black treated diamond with colour zoning
Author(s) : -
Date : 2006
Black treated diamond with colour zoning. Published in 2006.
Author(s): M.S. Krzemnicki
To what an extent a jeweller can detect treated diamonds
Author(s) : -
Date : 2004
Tags : Diamonds / Treated Diamonds
To what an extent a jeweller can detect treated diamonds. Published in Le Diamant, rêve et réalité, 2004.
Author(s): H.A. Haenni
New spectral evidence for GE POL diamond detection
Author(s) : -
Date : 2000
New spectral evidence for GE POL diamond detection. Published in Gems & Gemology, 2000.
Author(s): H.A. Haenni, J.-P. Chalain, E. Fritsch
Identification of GE POL diamonds: a second step
Author(s) : -
Date : 2000
Identification of GE POL diamonds: a second step. Published in Journal of Gemmology, 2000.
Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Identification of colourless HPHT treated diamonds (e.g. GE POL)
Author(s) : -
Date : 2000
Identification of colourless HPHT treated diamonds (e.g. GE POL). Published in 2000.
Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Detection of GE POL treated diamonds
Author(s) : -
Date : 2000
Detection of GE POL treated diamonds. Published in 2000.
Author(s): J.-P. Chalain, H.A. Haenni, E. Fritsch
Detection of GE POL diamonds: a first stage
Author(s) : -
Date : 1999
Detection of GE POL diamonds: a first stage. Published in Revue A.F.G., 1999.