-
Asian Institute of
Gemological Sciences – AIGS
Canadian Gemmological ****ociation – CGA
Canadian Institute of
Gemmology – CIG
Gemological Science International...
- The
Gemological Institute of
America (GIA) is a
nonprofit institute based in Carlsbad, California. It is
dedicated to
research and
education in the field...
-
International Gemological Institute (IGI) is a
gemological organization which certifies diamond,
colored stone and jewelry. It was
established in 1975...
- Gem and
Diamond Foundation;
Gemological ****ociation of
Great Britain;
German Gemological ****ociation;
Netherlands Gemological Laboratory. 25 May 2008. "Tanzanite...
- The
Asian Institute of
Gemological Sciences (AIGS) is a
private gemological school and
gemological laboratory based in Bangkok, Thailand. The AIGS was...
-
laboratory Asian Institute of
Gemological Sciences (AIGS), the
oldest gemological institute in
South East Asia,
involved in
gemological education and gem testing...
- 1995). "
Gemological Abstracts". Gems & Gemology. 31 (1): 79. * Shipley,
Robert M. (1942)
Diamond Glossary, pp. 43. (PDF page 11)
Gemological Institute...
-
Gemological Science International, or GSI, is an
independent gemological organization that is one of the
largest gemological entities in the world, with...
- detect,
requiring advanced chemical analysis by
gemological labs (e.g., Gübelin, SSEF, GIA,
American Gemological Laboratories (AGL),
Lotus Gemology. According...
-
diamond grading agencies including the
American Gemological Society (AGS), and the
International Gemological Institute (IGI).
There are
other smaller labs...