Gemological Services

Independent preliminary consultation, with clear limits.

EGP provides consumer advisory, pre-purchase consultation, preliminary remote observation, pre-lab guidance, and interpretation of independent laboratory reports.

  • 01

    Consumer advisory

    Independent guidance on gemstone characteristics, seller disclosures, documentation, durability, care, and when qualified laboratory testing should be considered.

    Awareness · Documentation · Care

  • 02

    Pre-purchase consultation

    Review of the seller's description, available documents, and imagery, with clear guidance on questions to ask and what cannot be assessed without physical laboratory examination.

    Documents · Disclosures · Questions

  • 03

    Preliminary remote observation

    Preliminary observation of client-supplied photographs, videos, measurements, and documents, with image quality and evidential limitations stated clearly.

    Images · Measurements · Limitations

  • 04

    Pre-lab consultation

    Structured review of available information before advanced testing, including discussion of open questions and the independent laboratory examination that may be appropriate.

    Review · Open questions · Lab referral

  • 05

    Laboratory-report interpretation

    Plain-language explanation of terminology, measurements, treatments, comments, and conclusions already stated in an independent laboratory report.

    Terminology · Measurements · Context

Protocol

Every preliminary observation is stated with its limits.

EGP holds no inventory and represents no seller. Services are undertaken only where responsible guidance is possible, and its limitations are always stated clearly.

  1. 01

    Enquiry

    Describe the material, the question to be answered, and any prior reports. We confirm whether the question can be answered responsibly.

  2. 02

    Preliminary review

    The available images, measurements, documents, or laboratory report are reviewed within the agreed advisory scope.

  3. 03

    Limitations

    The limits of remote observation and the questions that cannot be resolved without physical laboratory testing are stated clearly.

  4. 04

    Next step

    Where the evidence is insufficient, the appropriate next observation or referral to an independent qualified laboratory is identified.

Request a service

Describe the material and the question you need answered. We reply within five working days.

Begin an enquiry