GIA = Gemmological Institute of America 美国宝石学会
gia[ noun ]
a terrorist organization of Islamic extremists whose violent activities began in 1992; aims to overthrow the secular Algerian regime and replace it with an Islamic state
<noun.group>
the GIA has embarked on a terrorist campaign of civilian massacres
- But they have drawn France into the firing line of Algerian Islamists, in particular the Armed Islamic Group (GIA), the most militant of the forces opposed to the Algerian regime of President Liamine Zeroual.
- Last year a GIA expert grading a tray of stones for one dealer spotted a quarter-carat yellow gem cut from a Sumitomo diamond.