Accessibility options

Switch to preferred accessibility theme:

Increase or decrease the text size:

  • Internet Explorer: View > Text Size > Largest

Keyboard navigation and access keys:

  • A - Accessibility options
  • 0 - Skip navigation
  • 1 - Home
  • 2 - Alexandrite chapters
  • 3 - Alexandrite directory
  • 4 - Alexandrite forums
  • 5 - Alexandrite gemstones
  • 6 - Alexandrite localities
  • 7 - Contact information
  • 8 - About Alexandrite Guide
  • 9 - Sitemap
  • Press ALT + Access Key, then ENTER.



Tsarstone collectors guide

Gem Studies Lab

Gem Studies Lab The Gemmological Association of Australia (GAA) is Australia’s historic trade-accepted non-profit educational authority for gemology.

The Gemmological Association of Australia
Homepage Address Contact PO Box 155

Nedlands 6909
N: Federal Secretary
T: (08) 9386 3038
F: (08) 9286 4986

GAA was formed in Sydney, on the 29th October 1945, the Association has been responsible for producing Australia’s gemmologists by educating and updating members of the gem and jewellery industry and the general public, about all aspects of gemstones and their substitutes. Gem Studies Laboratory (GSL) in Sydney is the Gemmological Association of Australia's endorsed diamond grading laboratory. In 2003 GSL and GAA announced an alliance as part of their ongoing commitment to the Australian gem and jewellery industry. GAA's endorsement of GSL as its diamond certification and gem testing laboratory which, ensures that facilities meet the highest standards and that all techniques and equipment used in the laboratory are state-of-the-art and in line with the latest international standards. Currently GSL offers the following services: Diamond Certification, Diamond Fingerprinting, Pearl X-ray Testing, Gemstone Authentication and Gemstone Photography.

Page 1 of 14 Back to Top >>
1 2 3 4 5 6 7 8 9 10 ... Last

Be first to comment

600 characters left, NO HTML, Comments are moderated and will be posted if they are on-topic and not abusive.
Your e-mail will not be published, but must be valid. In order to reduce the amount of spam, we will send you an email message containing a link to confirm your comments publication. Unconfirmed comments will be not published and removed from our system within 3 days.
Please help us to prevent automated requests by entering the code shown in the picture box. Can´t read this image? Get new verification code
Close options details