• In 1977, Jeff Wildman (USA) and AIGS Chairman Henry Ho (Thailand) invented the "Porta-Lab" which was the world’s first portable gemological laboratory.
  • First laboratory in the world to purchase a Raman spectrophotometer for gemstone reports, thus setting a trend which would subsequently be followed by all other major international laboratories.
  • In 1988, Dr. Edward Gubelin, Alan Jobbins, Ken Scarrett, Dr. Adolf Peretti and AIGS founder W. K. Ho became the first foreign-based laboratory team to enter the Mogok gemstone tract since Burma’s military coup d’état in 1962.
  • Alongside representatives from Switzerland’s Gubelin Laboratory (Dr. E. Gubelin) and Gemmological Association of Great Britain (A. Jobbins), AIGS became the first Asia-based laboratory to visit Vietnam’s Luc Yen ruby mines.
  • In 1993, AIGS became the first Asian laboratory to participate in a exploratory trip to Sierra Leone’s diamond deposits.
  • AIGS was chosen to be the first laboratory to certify the Queen Sirikit Diamond in 1992, as well as being given the same honor for the King Bhumipol Diamond six years later.
  • AIGS was the first laboratory to perform a comprehensive gemological report on The Golden Jubilee Diamond - then owned by a consortium led by AIGS President, Henry Ho - which, at 545 carats, remains the world’s largest faceted diamond.
  • In 2004, AIGS was the first laboratory in Thailand to produce a comprehensive report on ruby glass-filling treatments