GIA Laboratory

"…Every diamond should come with a grading certificate from an accredited gemmological laboratory; the jewellers we talked to agree that the Gemological Institute of America, an independent non-profit organisation, is the most trustworthy."

The Wall Street Journal

GIA Laboratory Reports are regarded throughout the gem and jewellery industry worldwide as the hallmark of integrity, reliability, and consistency in gemmological services and research.

The GIA Lab has literally set the industry standard for diamond grading and gemmological identification. Today, the GIA Diamond Grading Report™ and GIA Diamond Dossier® serve as the international gem and jewellery industry's benchmark credentials.

When jewellery professionals turn to the GIA Laboratory and its staff, they place their trust in 50 years of GIA's impartial leadership, expertise, and customer service.

If you wish to have more information about the services of the GIA Laboratory in America, please click here: GIA Laboratory