Laboratories
Laboratories
Global Gemological Laboratory (GGL) Featured
www.globalgemlab.comProviding Diamond Reports and valuations for the jewelery trade. Including the following The Diamond Solitaire Appraisal Includes color digital photograph of ring, 10X digital photo of diamond, full gemological description and retail value. The Comprehens ...
AGT Gem Laboratory
All types of Gemology. AGT GEM LABORATORY in agreement with the GIA, gives the GIA courses in Japan. Diamond grading, and colored stone grading.
AGTA Gemological Testing Center
www.agta.orgThe American Gem Trade Association Gemological Testing Center (AGTA GTC) is the natural colored gemstone industry's premier independent laboratory. The AGTA GTC serves the industry and the public with a complete range of colored gemstone and ...
American Gem Society Laboratories
www.agslab.comThe AGS lab supplies the trade and the consumer with the Diamond Quality Document, the Diamond Quality Report, and a small basic report called the Diamond Consultaion. The Diamond Quality Document ads to the traditional mix of grades, the AGS trademarked ...
American Gemological Laboratories (AGL)
The American Gemological Laboratories is an independent organization which grades colored stones and diamonds.
Asian Gemological Institute & Laboratory
Gem Identification, gem testing, full laboratory. Test done to international gemological standards. Diamond color treatment detection available.
Central Gem Laboratory
Diamond grading and gem identification, also has diamond museum. Diamond Cut grading standards based on AGL (Asian Gemological Laboratories Statndards, not to be confused with the AGL in the U.S.. Full range of X-ray and photospectrometry equipment.
CISGEM
CISGEM is the Public Service for the Regulation of Gem Materials and Precious Metals. It was set up in 1966 by the Ministry of Industry as an office of the Milan Chamber of Commerce. Then in 1984, it was made an external body and became known as CISGEM (C ...
Diamond Profile Laboratory
www.diamondprofile.comFull Color Diamond Brilliance analysis, fancy shapes and round. The most comprehensive analysis on beauty today. This Lab uses photospectrometers to measure dispersion, A light box to determine loss of brilliance and a symmetry device.
EGL USA - Los Angeles
www.eglusa.comEGL USA is one of the world's premier independent gemological laboratories. For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone pu ...