Certified AnalysisDiamond Grading • Gemstone ID • Lab Reports

Scientific Precision, Unveiling true Authenticity.

Pristine Gemological Laboratory delivers rigorous, unbiased analysis for diamonds and gemstones. Our state-of-the-art facility ensures every report meets the highest global standards.

Gemstone Analysis

Scientific grading & certification

Expert Appraisal

Unbiased laboratory reports

Accredited Lab Standards
Real-time Verification
Gemologist performing microscopic analysis on a diamond
Laboratory Report

Advanced Spectroscopic Grading

Accurate, unbiased, and secure

Laboratory Authenticity

Verify your certificate

Enter your unique report number to access official grading metrics and laboratory records.

Secure Data AccessReal-time Validation
Laboratory Services

Scientific Gem Analysis

We provide precise, unbiased grading and certification for diamonds and gemstones using state-of-the-art laboratory equipment.

Scientific Analysis
Diamond Grading
Diamond Grading laboratory services

Rigorous assessment of cut, color, clarity, and carat weight using advanced spectroscopy to ensure absolute grading accuracy.

ISO standard protocolsDetails
Origin Verification
Gemstone ID
Gemstone ID laboratory services

Comprehensive identification of natural and synthetic stones, detecting treatments and enhancements with high-precision equipment.

Detailed origin reportDetails
Component Audit
Jewelry Auth
Jewelry Auth laboratory services

Expert authentication of metal purity and gemstone settings, providing a secure dossier for your precious jewelry assets.

Full metal assayDetails
Security Marking
Laser Inscription
Laser Inscription laboratory services

Micro-laser engraving of unique certification numbers on diamond girdles for permanent, tamper-proof identification.

Micro-scopic precisionDetails
Technical Guidance
Expert Advisory
Expert Advisory laboratory services

Professional consultation on gemological standards, market trends, and asset valuation for collectors and trade partners.

Unbiased expert adviceDetails
Verification

Verify Certificate

Access our secure portal to verify the authenticity of your laboratory report using your unique certificate number.

Laboratory Workflow • Scientific Standards

The Science of Gemological Truth

Our laboratory employs rigorous scientific protocols to ensure unbiased, accurate results. From spectroscopic analysis to final certification, we provide the transparency required for global trust.

Laser spectroscopy equipment analyzing a loose diamond specimen
STEP 01
Phase 01Photon-Level Diagnostics

Spectroscopic Analysis

Each specimen undergoes rigorous laser-induced breakdown spectroscopy. We map the elemental composition and trace impurities to establish a definitive chemical fingerprint for every gemstone.

Technical Metrics
Laser: 532nm Nd:YAG
Detection: Trace Elements
Accuracy: 99.9%
Verified Laboratory Standard
ISO Certified
Gemologist using a binocular microscope to inspect a gemstone
STEP 02
Phase 02Inclusion Mapping

Microscopic Inspection

Using 60x magnification, our gemologists document internal growth lines, inclusions, and structural anomalies. This visual dossier provides the foundation for clarity and quality grading.

Technical Metrics
Magnification: 60x
Lighting: Darkfield
Mapping: Inclusion Plot
Verified Laboratory Standard
ISO Certified
Refractometer measuring the refractive index of a sapphire
STEP 03
Phase 03Refractive Index Calibration

Master Stone Grading

We measure the refractive index and dispersion properties of the stone. These metrics confirm the identity and optical performance, ensuring the gem meets international laboratory standards.

Technical Metrics
Index: 1.762-1.770
Dispersion: 0.018
Standard: ISO 9001
Verified Laboratory Standard
ISO Certified
Digital tablet displaying a secure gemological certificate
STEP 04
Phase 04Secure Certification Issuance

Digital Documentation

Final results are compiled into a secure, tamper-proof digital report. Each certificate is assigned a unique serial number, accessible globally via our real-time verification portal.

Technical Metrics
Encryption: AES-256
Verification: Real-Time
Format: PDF/Digital
Verified Laboratory Standard
ISO Certified
Official laboratory seal stamped on a certification document
STEP 05
Phase 05Institutional Seal Approval

Final Quality Audit

Before release, every report undergoes a final peer review. The Pristine Gemological Laboratory seal is applied, confirming the document's validity and the stone's verified status.

Technical Metrics
Review: Peer-Verified
Seal: Holographic
Status: Authenticated
Verified Laboratory Standard
ISO Certified
Verification Portal

Verify Your Certificate

Access our secure database to verify the authenticity of your gemstone report in real time.

ACCREDITATIONS & TRUST

Scientific Rigor. Verified Results.

Pristine Gemological Laboratory maintains global standards in gemstone analysis, ensuring every report is backed by scientific precision and ethical integrity.

ISO / IEC 17025
LABORATORY PROTOCOLS
Scientific Grading Standards
Our laboratory adheres to strict ISO/IEC 17025 protocols, ensuring that every gemstone analysis is conducted with calibrated instrumentation and unbiased scientific rigor.
LAB IDPASS

SPEC // GEM-LAB-17025 // TOL < 0.001 MM

  • Calibrated spectroscopic analysis
  • Controlled 5500K lighting environments
  • Independent peer-reviewed methodology
CIBJO & GIA Aligned
QUALITY ASSURANCE
Global Gemological Ethics
We maintain full transparency in our grading processes, aligning with global ethical standards to ensure consumer trust and market authenticity for every report.
LAB IDPASS

CERT // ETHIC-2025 // DIRECTIVE 2024/01

  • Traceable chain-of-custody logs
  • Unbiased third-party verification
  • Standardized reporting nomenclature
Blockchain & API
DIGITAL VERIFICATION
Secure Data Affiliations
Our digital portal integrates secure, real-time verification tools, allowing clients to authenticate their gemstone reports instantly via our encrypted database.
LAB IDPASS

CONN // REST-API // SHA-256 // SEC

  • Real-time certificate authentication
  • Encrypted API data transmission
  • Immutable digital report records

Secure Certificate Verification

Verify the authenticity of your gemstone report instantly using our secure online portal.

GLOBAL AFFILIATIONS
Standards maintained across all gemological testing services
ISOCertified Lab
International Organization for Standardization

Global benchmark for laboratory testing and calibration competence.

CIBJOEthical Partner
World Jewellery Confederation

Standardized nomenclature and ethical trade practices for gemstones.

GIAResearch Affiliate
Gemological Institute of America

Collaborative research on diamond inclusion mapping and origin.

AGSCompliance Verified
American Gem Society

Strict adherence to consumer protection and grading accuracy.