Spectroscopic study of a yellowish green HPHT synthetic diamond
Spectroscopic study of a yellowish green HPHT synthetic diamond. Published in GAHK Journal, 2003. Author(s): J.-P. Chalain
A type IaB diamond showing a “tatami” strain pattern
A type IaB diamond showing a “tatami” strain pattern. Published in Gems & Gemology, 2003. Author(s): J.-P. Chalain
A natural yellow diamond with nickel-related optical centers
A natural yellow diamond with nickel-related optical centers. Published in Gems & Gemology, 2003. Author(s): J.-P. Chalain
SSEF introduces type II diamond spotter
SSEF introduces type II diamond spotter. Published in Rapaport Diamond Report, 2002. Author(s): H.A. Haenni
La certification de diamants de type IIa
La certification de diamants de type IIa. Published in Revue A.F.G., 2002. Author(s): J.-P. Chalain
À la poursuite du diamant noir – On the trail of the black diamond
À la poursuite du diamant noir – On the trail of the black diamond. Published in 2001.
Diamants de type IIa et traitement HPHT: Identification
Diamants de type IIa et traitement HPHT: Identification. Published in Revue A.F.G., 2001. Author(s): J.-P. Chalain
Synthetischer Moissanit und Diamant: Sichere Unterscheidung mit Hilfe des Reflektometers
Synthetischer Moissanit und Diamant: Sichere Unterscheidung mit Hilfe des Reflektometers. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1999. Author(s): J.-P. Chalain, M.S. Krzemnicki
SSEF to identify GE POL diamonds
SSEF to identify GE POL diamonds. Published in 2000. Author(s): H.A. Haenni
Recognizing GE POL diamonds at SSEF
Recognizing GE POL diamonds at SSEF. Published in 2000. Author(s): H.A. Haenni