【德国】EQS-News: IGI Acquires AGL, Expanding Its Global Presence in Colored Gemstone Certification
Editor’s NoteThis announcement marks a significant consolidation in the gemological sector, as IGI’s acquisition of AGL strengthens its position in…
Grading Standards
【USA】GIA to Discontinue 4C Grading for Lab-Grown Diamonds…Reaffirming the Unique Value of Natural Diamonds
Editor’s NoteThis article discusses a significant policy shift by the Gemological Institute of America (GIA) regarding the grading of lab-grown…
【Carlsbad, Ca】GIA Reverting to More General Terminology for Lab-Grown Diamonds
Editor’s NoteThe Gemological Institute of America (GIA) is simplifying its grading approach for lab-grown diamonds, moving away from specific color…
Updated CIBJO Blue Books Available For Downloading
Editor’s NoteThe latest editions of all six CIBJO Blue Books, the definitive standards for diamonds, colored gemstones, pearls, coral, precious…