IGI
Founded 1975
International Gemological Institute
Creator of the 4Cs and the international diamond grading system — the global benchmark for diamond authentication and trust.
Certified Report
Certification & Authenticity
Diamond
Certification
& Authenticity
Every Lab Pure Diamond is independently graded and certified by internationally recognized gemological laboratories.
Our diamonds are genuine diamonds created using advanced laboratory technology, sharing the same chemical, physical, and optical properties as mined diamonds.
Certification provides confidence, transparency, and quality assurance for every purchase.
Why Diamond Certification Matters
A diamond certificate is an independent third-party grading report that verifies the authenticity and quality of a diamond. Certification evaluates the internationally recognized 4Cs — the global language of diamond quality.
Cut
The precision of faceting that releases a diamond's fire and brilliance.
Color
Graded from D (colorless) to Z, measuring the absence of color.
Clarity
The presence of inclusions, observed under 10× magnification.
Carat
The weight of the stone — one carat equals 0.20 grams.
Trusted International Certification
Lab Pure Diamonds are accompanied by grading reports from the world's most respected gemological laboratories — globally recognized for their independence and accuracy.
Our Signature
Quality Standard
At N1 FOR ALL, we focus exclusively on premium quality diamonds. Every stone in our featured collection is selected for exceptional beauty, brilliance, and craftsmanship.
Color Grade
D
Colorless
The highest color grade available — exceptional colorless brilliance.
Clarity Grade
IF
Internally Flawless
No internal inclusions visible under professional 10× magnification.
Available Diamond Grades
Color Scale
From colorless to near-colorless.
D
E
F
G
H
I
J
D — Our Premium Standard
Clarity Scale
From internally flawless to slightly included.
IF
VVS1
VVS2
VS1
VS2
SI1
SI2
IF — Our Signature Collection
Lab-Grown Diamond Authenticity
Lab-grown diamonds are real diamonds. They share the same carbon crystal structure, hardness, brilliance, and optical properties as mined diamonds. The only difference is origin.
Natural Diamond
Formed underground over billions of years.
Created deep within the earth under immense heat and pressure, then extracted through mining.
Lab-Grown Diamond
Created in advanced laboratory environments.
Grown using modern technology that recreates the natural conditions of diamond formation — above ground, in light.
Both can be independently certified by professional gemological laboratories.
Certificate Verification
Every certified diamond includes a unique report number and a laser inscription reference where applicable. Customers may verify certification directly through the official laboratory's verification system.
Sample Grading Report
A look inside a IGI certificate.
Each report documents the diamond's measurements, proportions, and the complete 4Cs grading — including our signature D Color and IF (Internally Flawless) grades.
- Color Grade
- D
- Clarity Grade
- IF — Internally Flawless
- Cut Grade
- Excellent
- Shape
- Round Brilliant
- Report Number
- Unique to each diamond
- Laser Inscription
- Matches report number
Report Reference
LPD — 0000 0000
Verify each report directly at the issuing laboratory.
Experience the Brilliance
Certified Lab Pure
Diamonds.
Complete transparency.
Discover exceptional D Color and IF Grade diamonds with internationally recognized certification.