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. Published in 2004.
Author(s): J.-P. Chalain, G. Bosshart, V. Hammer
A natural yellow diamond with nickel-related optical centers. Published in Gems & Gemology, 2003.
Author(s): J.-P. Chalain
SSEF to identify GE POL diamonds. Published in 2000.
Author(s): H.A. Haenni
Recognizing GE POL diamonds at SSEF. Published in 2000.
Author(s): H.A. Haenni
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). Published in 2000.
Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Detection of GE POL treated diamonds. Published in 2000.
Author(s): J.-P. Chalain, H.A. Haenni, E. Fritsch
Dégâts occasionnés aux diamants taillés. Published in journal Suisse des horlogers et des bijoutiers-orfèvres, 1987.
Author(s): H.A. Haenni, G. Bosshart
Damage to cut diamond. Published in Journal of Gemmology, 1987.
Author(s): H.A. Haenni, G. Bosshart