Our analysis reports

Our Services

Our reports are based on accredited analytical procedures that take into account the latest published scientific articles.

We offer three types of gemmological reports, depending on your needs.


    Preliminary examen

    Initial identification before purchasing stock or cut stone - Textured A4-size letter.

    Rapport classique

    Le rapport d'analyse complet destiné à l’acheteur final - Livret bristol au format A5.

    Rapport élite

    Le rapport d'analyse prestigieux et sur-mesure, mettant en valeur les pierres et bijoux d'exception - Dossier triptyque en toile au format paysage A4.

The Elite Report

Designed as a prestigious showcase to highlight your most exceptional gems and jewelry

Designed to showcase exceptional pieces in an unparalleled way, the Elite Report—a beautiful three-panel book—includes:
- The standard analysis report
- A high-quality photograph of your exceptional piece of jewelry or gemstone
- Customizable, adaptable pages dedicated to both the history of your jewelry or gemstone and the scientific data from the analysis
A format of excellence, faithful to LFG standards.

Check out the Elite Report
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Explore our gemmological reports

Every gemstone has its own history, unique qualities, and characteristics. That is why the analyses conducted by the LFG are organized into four main categories of gemstones: diamonds, colored gemstones, opals, and pearls.