A.G.L was first set up in 1983 by Mr. K. Mahardi Paramita to assist clients in figuring out the quality and authenticity of diamonds and other type of colored stones (e.g Ruby, Sapphire, Emerald, etc.). A.G.L is the first and independent Gemological Laboratory in Indonesia. As a professional gemological laboratory, A.G.L also aims to improve public trust to Jewelry Industry in Indonesia through its Certification and Consultation. A.G.L is operated by professional and well trained gemologists, and fully equipped with modern facilities and advanced equipments such as like UV-VIS-NIR Spectrophotometer and Fourier Transform Infra Red Spectrophotometer (FTIR), Raman Spectroscopy, DiamondSure, DiamondView, Diamension, and etc to support the accurate identification.

A.G.L is a member of ICGL (International Consortium of Gem Testing Laboratories).