Trusted Diamond Grading

Independent • Accurate • Professional

IDGL provides the highest standard in diamond grading with advanced technology and expert gemologists ensuring accuracy and trust worldwide.

Submit a Diamond Verify a Certificate

Independent & Impartial

100% independent grading with no influence.

Advanced Technology

Using state-of-the-art equipment for precise results.

Expert Gemologists

GIA qualified gemologists with years of experience.

Global Recognition

Accepted by jewelers and institutions worldwide.

Secure & Reliable

Secure process and data protection you can trust.

Why Choose IDGL?

  • ISO/IEC 17025 Accredited Laboratory
  • Detailed & Accurate Grading Reports
  • Laser Inscription on Certificate
  • Fast Turnaround Time
  • Worldwide Shipping
  • Exceptional Customer Support
Learn More About IDGL

Sample Certificate

IDGL

Certificate No.IDGL123456789

Shape & CutRound Brilliant

Carat Weight1.02 ct

Color GradeD

Clarity GradeVVS2

Cut GradeExcellent

View Sample Report

Grading Process

1. Submission

Submit your diamond securely online or in person.

2. Examination

Our experts analyze your diamond using advanced equipment.

3. Grading

Diamond is graded based on the 4Cs and industry standards.

4. Certification

Receive your IDGL certificate with unique report number.