Collection of information and resources from various gemmological and trade associations which has helped….and is helping the author to develop his understanding in gemmological world and the gem trade.

Gem Labs and institutes

IIGJ – Research & Laboratories Centre (Formerly, Gem Testing Laboratory, Jaipur): Author’s Abode

Gem Testing Laboratory, Jaipur: Author’s Abode

Asian Institute of Gemmological Sciences (AIGS), Bangkok, Thailand

Central Gem Laboratory (CGL), Tokyo, Japan

CISGEM, Milan, Italy

DSEF – German Gem Lab, Idar-Oberstein, Germany

HRD Antwerp, Belgium

Gem & Jewelry Institute of Thailand (GIT), Bangkok, Thailand

GGTL Laboratories, Switzerland | Leichtenstein

Gemmological Institute of India, Mumbai

Gemological Institute of America (GIA), Carlsbad, USA

GemResearch Swiss Lab (GRS), Switzerland

Gubelin Gem Lab, Lucerne, Switzerland

Indian Diamond Institute (IDI), Surat, India

Indian Institute of Gems & Jewellery (IIGJ), Jaipur, India

International Gemological Institute (IGI), Worldwide

ICA GemLab

Lotus Gemology

SSEF – Swiss Gemmological Institute, Basel, Switzerland

gemmological instruments

GIA Store, Carlsbad, USA

Gem-A Store, London, UK

System Eickhorst, Hamburg, Germany

Kassoy, New York, USA

Sachi Gems & Tools, Bangkok, Thailand

Sachi, Jaipur, India

mixed bag of fantastic and unparallel information

The Gem & Jewellery Export Promotion Council (India) – Author’s Abode

American Gem Trade Association (AGTA)

CIBJO – The World Jewellery Confederation

CIBJO – The World Jewellery Confederation

CIBJO – The World Jewellery Confederation

Geminterest.com

International Colored Gemstone Association (ICA)

The International Gemmological Conference (IGC)

LMHC: The Laboratory Manual Harmonisation Committee

Lotus Gemology

Mindat.org

Mindat.org

RRUFF Database

and the many groups on Facebook and LinkedIn….sufficient enough to trigger a thought….