Gemological Services

Independent examination, documented to a scientific standard.

EGP™ provides identification, treatment assessment, documentation, and consultation for collectors, laboratories, appraisers, and institutions — independent of any trade interest.

  • 01

    Gem identification

    Determination of species and variety through refractive index, specific gravity, spectroscopy, and microscopic examination. Conclusions are issued only where the evidence supports them.

    Natural · Synthetic · Simulant

  • 02

    Treatment assessment

    Examination for heat, diffusion, clarity enhancement, dyeing, and composite construction, with the observed evidence recorded and the confidence level stated explicitly.

    Heat · Diffusion · Filling

  • 03

    Photomicrographic documentation

    High-resolution imaging of internal features under controlled lighting, prepared as a citable visual record for laboratories, collectors, and academic publication.

    Darkfield · Brightfield · Fibre-optic

  • 04

    Collection review

    Systematic assessment of private and institutional collections — cataloguing, condition notes, identification priorities, and a written summary of findings.

    Private · Institutional

  • 05

    Expert consultation

    Second-opinion review of existing laboratory reports, methodological guidance for in-house laboratories, and technical advice for acquisition and disclosure decisions.

    Advisory · Second opinion

  • 06

    Educational assessment

    Practical examination and feedback for Academy candidates and laboratory staff, benchmarked against the standards taught within the EGP™ curriculum.

    Academy · Professional

Protocol

Every conclusion travels with its evidence.

EGP™ holds no inventory and represents no seller. Services are undertaken only where an honest answer is possible, and the boundaries of that answer are always written down.

  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

    Examination

    Observation is conducted in a controlled setting, beginning with non-destructive methods and escalating only where necessary and agreed.

  3. 03

    Documentation

    Findings, images, instrument readings, and the limits of the conclusion are recorded together — never a verdict without its evidence.

  4. 04

    Report

    A written statement is issued in plain scientific language, suitable for citation, insurance, appraisal, or academic reference.

Request a service

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

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