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logo main
  • Testing
    • How to submit

      Please click on the button below to get all the necessary information for your testing inquiries.

      How to submit
    • Quick links
      • Pricing
      • Digital order form
      • Download order form (pdf)
      • Small diamond order form (pdf)
      • On-site testing
    • Reports
      • Verify a SSEF report
      • Understanding a SSEF report
      • SSEF Premium reports
      • GemTrack™
      • Age Dating
      • DNA Fingerprinting
    • More info
      • Coloured Gemstones
      • Diamonds
      • Pearls
      • Small Diamonds
      • Jewellery
  • Education
    • Gemmological courses

      Please click on the button below to discover SSEF’s gemmological course options, calendar and prices.

      Discover our courses
    • Course options
      • Basic Gemmology
      • Basic Diamonds
      • ATC Coloured Gemstones
      • ATC Gems & Jewellery
      • Advanced Pearls
      • Advanced Small Diamonds
      • Scientific Gemmology Course
    • More courses with us
      • Understanding Gemstones – Free Online Courses by SSEF
      • Tailored Courses
      • Gem-A Courses & Exams
  • Research library
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2022

ISO standards in the diamond trade: history and benefits

Presentation at the 2022 Rendez-Vous Gemmologiques de Paris Conference by Jean-Pierre Chalain (original version of this presentation was in French, this version has been translated into English)

Presentations
Diamond
2021

Zircon inclusions in unheated pink sapphires from Ilakaka, Madagascar: A Raman spectroscopic study

Presentation at the online 2021 International Gemmological Conference by Dr. Michael S. Krzemnicki.

Presentations
SapphireTreatments
2019

Origin determination and traceability: An overview for gemstones (2019)

Origin determination and traceability: An overview for gemstones (2019)

Presentations
OriginsTraceability
2019

New frontiers in pearl analysis: Age dating, DNA fingerprinting and novel radiographic methods (2019)

Presentation by Dr. Michael S. Krzemnicki and Jean-Pierre Chalain at the Pearl Symposium in Bahrain in November 2019.

Presentations
Age DatingDNAPearl
2019

Age Dating applied as a testing procedure to gemstones and biogenic materials (2019)

Presentation by Dr. Michael S. Krzemnicki at IGC 2019 in Nantes, France.

Presentations
Age Dating
2019

Multi-Element Analysis of Gemstones For Country of Origin Determination (2019)

Presentation at IGC 2019 in Nantes (France) by Dr. Hao Wang.

Presentations
GeochemistryOrigins
2019

DNA fingerprinting of precious corals an pearls (2019)

Presentation by Dr. Laurent E. Cartier at the International Gemmological Conference (IGC) in Nantes (France) in August 2019.

Presentations
DNAOrganicsPearl
2019

Study of a recut HPHT synthetic diamond: Colour VS size VS SWUV transmission (2019)

Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.

Presentations
DiamondSynthetics
2019

Where is the boundary between colour varieties of gems? (2019)

Red Ruby or Pink Sapphire, that’s the Question. Where is the boundary between colour varieties of gems? Presentation by Dr. Michael S. Krzemnicki, SSEF at European Gemmological Symposium (EGS) 2019 in Idar-Oberstein.

Presentations
Gemmology
2019

A Gemmological Approach to Distinguishing Natural from Synthetic Rubies: LA-ICP-TOF mass spectrometry provides new insights (2019)

Presentation at ECMS 2019 in Prague (Czech Republic) by Dr. Tashia J. Dzikowski-Hutter.

Presentations
GeochemistryRubySynthetics

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Age Dating Diamond DNA Emerald Gemmology Geochemistry Jade Methods Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Traceability Treatments

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