Diamond Screening and Grading Reports

IIGJ Lab offers complete diamond grading and screening services for loose diamonds up to 2 carats.

Explore Diamond Screening & Grading Services

Loose Diamond Grading

Quality assessment for individual loose diamonds using the internationally recognised 4Cs grading system (Cut, Colour, Clarity, and Carat), giving you the full picture of your diamond’s quality and value.

Grading Includes: 

Each report provides comprehensive documentation that is recognised by the trade and perfect for resale or purchase verification.

Diamond Screening

Fast, reliable testing to determine if diamonds are natural, laboratory grown, or non-diamond. The advanced screening equipment quickly identifies diamond type, protecting you from misrepresentation and supporting transparent trade.

Screening for:

What Screening Tells You:

Get Your Diamonds Screened Today 

Whether you need comprehensive grading for precious stones or quick screening for your melee and polki parcels (Colourless to near Colourless), IIGJ Lab provides the expertise and efficiency you need. The reports build trust and protect everyone in the diamond trade.