【Colombia】Did It Pass the Test? Four Signs to Identify if an Emerald is Authentic
Editor’s NoteThis article highlights Colombia’s dominant position in the global emerald export market, based on data from the National Federation of…
gemstone inclusions
【Bangkok, Tha】Navneet Gems Launches Salt-and-Pepper Sapphires
Editor’s NoteThis article highlights the launch of a new wholesale collection of salt-and-pepper sapphires from Tanzania, drawing a parallel to the…
【Montepuez, C】Update on Inclusion Scenes in Mozambican Rubies
Editor’s NoteThis article details a 2022 field expedition by GIA gemologists to ruby deposits in northern Mozambique, highlighting a visit to the…
【Lucerne, Swi】Book Review: The Eduard Josef Gübelin Story: The Art and Science of Gems
Editor’s NoteThis article highlights the groundbreaking work of Dr. Edward J. Gübelin, whose pioneering research into gemstone inclusions…