ISO Accredited Laboratory

World-Class Gemstone Certification & Authentication

Leading the industry with cutting-edge technology and expert gemological analysis for over 15 years

Our state-of-the-art laboratory provides comprehensive gemstone testing services with internationally recognized certificates that ensure authenticity, quality, and value for your precious stones.

50,000+ Certificates Issued
10,000+ Happy Clients
15+ Years Experience
GCI Hero
Advanced Testing
Certification
Authentication
Global Recognition
ISO Accredited
International Standards
Trusted by 10,000+ Clients
Fast Turnaround

Our Laboratory Services

Comprehensive gemstone testing and certification services using advanced technology and expert analysis

Gemstone Certification

Professional identification and grading of precious and semi-precious gemstones with detailed reports.

  • Advanced Testing Equipment
  • Expert Gemologists
  • International Standards
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Jewelry Authentication

Complete authentication of jewelry pieces including metal testing and gemstone verification.

  • Metal Purity Testing
  • Gemstone Verification
  • Detailed Reports
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Diamond Screening

Advanced diamond screening services to detect synthetic and treated diamonds.

  • Synthetic Detection
  • Treatment Identification
  • Quality Assessment
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Our Achievements

Numbers that speak for our expertise and reliability

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Certificates Issued

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Happy Clients

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Gemstones Tested

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Years Experience

Why Choose GCI?

We provide the highest standards of gemstone certification with cutting-edge technology and expert analysis

Advanced Technology

State-of-the-art equipment including spectrometers, microscopes, and advanced testing instruments for accurate analysis.

Cutting-edge Equipment
Expert Gemologists

Our team consists of certified gemologists with decades of experience in gemstone identification and grading.

Certified Professionals
International Standards

Following international standards and protocols to ensure consistent and reliable certification results.

ISO Accredited
Fast Turnaround

Quick processing times without compromising on quality, ensuring you get your results when you need them.

Quick Processing

Verify Your Certificate

Enter your certificate number to verify its authenticity and view detailed information about your gemstone.

Instant Verification
Secure Database
Mobile Friendly

GCI Certificate

GCI202557CHLV9F
Ruby

Natural, Untreated

2.5 Carats
Verified

Ready to Get Your Gemstone Certified?

Contact us today for professional gemstone testing and certification services

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