To what an extent a jeweller can detect 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
Spectroscopic properties of an historical greenish yellow diamond
Spectroscopic properties of an historical greenish yellow diamond. Published in 2004. Author(s): J.-P. Chalain, G. Bosshart, V. Hammer
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