Preliminary Exam

The report in detail

Initial identification before purchasing stock or cut stone


Deposit your stones or jewellery on site

What does the preliminary examination involve?

The key analysis for initial identification

An A4-sized letter summarizing the key findings of your analysis, delivered in an envelope bearing the LFG logo, along with a QR code for accessing the results online.

Understanding Our Analyses
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Discover our Preliminary Exam

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.