AGA announces Tucson conference speakers
The Accredited Gemologists Association (AGA) will bring together a number of experts to address opportunities and issues related to the colored gemstone and diamond markets during its upcoming Tucson Conference.
New treatment could damage conch pearls
A Swiss gemology laboratory is warning the trade about a new coating being applied to the surface of conch pearls that does visible, nearly irreversible damage to them.
AGL calls attention to ‘composite’ change
The American Gemological Laboratories (AGL) recently pointed out a “pivotal” change in disclosure nomenclature by CIBJO: the use of the word “composite” now can be used to describe lead-glass treated rubies, a change the AGL said many overlooked following CIBJO’s meeting in May.
AGTA revises gem enhancement brochure
The American Gem Trade Association (AGTA) has just updated its gemstone enhancement brochure, a 20-page booklet that provides comprehensive information on 16 different gemstones.
GIA posts educational glass-filled ruby video
The Gemological Institute of America now is referencing lead glass-filled rubies as “manufactured product” on reports, the institution revealed in a new video designed to educate the trade and the public.