An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab

Fancy colour diamonds that derive their colour from nitro- gen-related defects (such as N3/N2 center

Sixteen rough diamonds were acquired in 2023 by co-author TTS from a gem dealer linked to Mong Hsu,

Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo