IGI Certification
IGI reports are commonly used for lab-grown diamonds. They record the stone’s identity and quality grades.
What an IGI report includes
Expect details such as carat weight, color, clarity, cut (when applicable), measurements, and a unique report number.
On Asteria product pages
When a piece is paired with an IGI report, we show the lab, report number, and a link to the official record whenever available.
Go deeper
Read how to interpret a certificate, or browse colored lab-grown diamond jewelry from Thessaloniki.