we are into gemology education and certification. Providing Course of Color Gemstone Identification, Basics of Diamonds, Diamond Grading, Color Gemstone ...

International Jewelry Center Building • 550 South Hill Street, Suite 1188 • Los Angeles, CA 90013-2412 TEL: (213) 624-0137 or (800) 909-4845 FAX: (213) 624-2114 • ...

Gubelin Gemmological Laboratory keeping our gemstone report with traditions high standards, independent opinion of the laboratory, constant inovation and up to ...

The new Jemeter NG-1 Digital Refractometer for determining the refractive index of gems.

How do I become a gemologist? Download Gem Identification Tutorials, buy gem testing equipment and learn about gems and gemology

The world's #1 wholesale diamond and colored stone pricing / gemstone pricing guide. Over 50 varieties of gemstones! An excellent reference tool for purchasing ...

GemResearch Swisslab (GRS) has invented its own high technology portable gemmological laboratory, computerised and with state-of-the-art spectrometers. GRS Heat ...

Sterling Gemological Services offer a full range of appraisal services. Our laboratory is fully equipped with all of the more recent innovations in gemological ...

Leading manufacturer of laser systems designed exclusively for diamond and gemstone inscription.and turn key laser systems for direct part marking. Excimer ...

The largest gemology study and reference site on the internet