How to Verify an IGI Lab-Grown Diamond Report Before You Buy

Key takeaways

• Verify the report number on IGI's official verification page, not a screenshot or a PDF forwarded alone.
• The report number is laser-inscribed on the girdle; inscription and report should always travel together.
• Weight, measurements and grades on the report should match the stone exactly.
• A certificate describes one stone; parcel invoices should reconcile every stone to its own report number.

Step 1: check the report online

Evidence: Verified public evidence

Every IGI report carries a unique number. Enter it on IGI's verification page and read the record directly from the laboratory: carat weight, colour, clarity, cut or polish and symmetry grades, measurements, fluorescence, growth method and the laboratory-grown origin statement.

Treat the online record as the source of truth. A printed or forwarded report is a copy; the database entry is the report.

Step 2: match the laser inscription

Evidence: Verified public evidence

IGI laser-inscribes the report number on the stone's girdle. Under a jeweller's loupe, the inscription on the stone should read exactly the number you verified online. An uninscribed stone, or an inscription that does not match, stops the purchase until explained.

Step 3: reconcile stone and paperwork

Evidence: Elmonas process

The verified record should describe the stone in hand: same weight to the hundredth, same measurements, same grades. For parcels and layouts, the invoice should list each stone against its own report number so every stone can be checked individually at goods-in.

Every stone on Elmonas's public stock list can be checked this way before you commit, and IGI-certified wholesale supply ships with report numbers you can verify before payment.

IGI or GIA certified; grades, fluorescence and cut stated per stone. Report numbers are verified with the issuing laboratory before dispatch. Where a certificate link is shown on the site, it points to a matching official laboratory destination.

Check the dated catalogue composition and counting method before using a stock-depth claim.