How to Read an IGL Report
Detailed guide explaining report field definitions, diagnostic parameters, security elements, and verification codes.
Understanding Your Gemstone Report
A field-by-field breakdown of information presented on official IGL laboratory reports.
Report Number & Date
A unique alphanumeric serial identifier assigned at intake (e.g. IGL-884920). The date reflects when testing consensus was finalized by laboratory analysts.
Item Description & Shape
Describes whether the item is loose or mounted, cut style (e.g. Oval Mixed Cut, Brilliant Cut), and color hue description.
Dimensions & Carat Weight
Exact physical measurements in millimeters (length × width × depth) and weight measured to 0.001 carats.
Species & Variety
The scientific mineral classification (e.g. Natural Beryl) and its gemological trade variety name (e.g. Emerald).
Treatment Findings
Explicit laboratory disclosure declaring whether the gemstone displays diagnostic evidence of thermal heating, clarity oiling, glass filling, or no indications of treatment.
QR Code & Online Registry
A scannable QR code resolving directly to AmericanGemology.com/verify to validate that physical report details match the database record.
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