Inside every
A DGI report isn’t paperwork. It’s a stone’s identity — examined by hand, graded to the world’s standards, and kept on record for life.
10× magnification
Every stone is examined under a corrected loupe and binocular microscope.
QR verification
Confirm authenticity instantly against our live online registry.
Security features
Built-in safeguards on every report, designed to protect against forgery.
International grading
Colour D–Z and clarity FL–I3, aligned to global standards.
Four layers of
A grade is the beginning, not the end. Every stone we certify is identified, inscribed, sealed and verified — protected from our bench to the day it changes hands.
Identified
Several gemologists examine every stone — never just one. Trained eyes and the finest instruments must agree before your report is signed.
Inscribed
An optional Dia-Script laser mark on the girdle — your report number, or words of your own. Lasting proof that this is the stone you chose.
Sealed
The Diamond Seal locks stone and report into one tamper-evident capsule — it cannot be opened without showing it.
Verified
Every report lives in our registry for life. Anyone, anywhere, can confirm it in seconds.
Intake
Each item is logged, weighed and photographed under controlled lighting.
Examination
Assessed under 10× magnification with calibrated lab instruments.
Grading
Graded to international standards and independently double-checked.
Certificate
A sealed certificate is issued with a unique number and QR code.
Verification
Confirm authenticity anytime against our live online registry.