Gem Studies Lab The Gemmological Association of Australia (GAA) is Australia’s historic trade-accepted non-profit educational authority for gemology.
PO Box 155
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.