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Fri, 04 Aug


The Goldsmith Centre

Identifying laboratory-grown diamonds

Learn how to confidently identify laboratory-grown diamonds with my 7-step guide to identification.

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Identifying laboratory-grown diamonds
Identifying laboratory-grown diamonds

Time & Location

04 Aug 2023, 09:30 – 16:30 BST

The Goldsmith Centre, 42 Britton St, London EC1M 5AD, UK

About the Workshop

Learn how to identify laboratory-grown diamonds with my signature practical workshop. After this day, you will never make a buying mistake again. Julia Griffith FGA DGA EG will lead you through her 7-step guide to identification. Tthis logical, step-by-step process covers observation and testing using equipment accessible to most jewellery professionals. This day contains a series of lectures and hands-on sessions. Over 50 laboratory-grown diamonds are available to view, which exhibit the full range of possible identification features. Course is CPD accredited.

Friday August 4th 2023

9:30am - 4:30pm


VAT is not applicable.

  • Learn everything you need to know so you can test and identify laboratory-grown diamonds.
  • 50+ laboratory-grown diamonds showing vast range of features.
  • Excellent peer-tutor interaction with a maximum of 10 other participants.
  • Standard gemmological equipment available on loan for the day.

Topics will include: Observation, magnetism, UV reactions, crossed polarised filters (CPF), screening equipment, testing melee and discussions on advanced equipment. Equipment includes; Dr Watson by Yehuda, Presidium SDS II, Jewellery Inspector by Gemetrix, and Gemetrix StrainView.

Target audience:

✓ Diamond buyers

✓ Jewellery valuers

✓ Pawnbrokers

✓ Gemmologists and gemmology students

✓ Retailers

✓ EVERYONE buying diamond jewellery from the public domain.

Pre-requisite: Must be proficient at observing gems with a 10x loupe.

Workshop leader: Julia Griffith FGA DGA EG

Extra benefits:

✓ CPD certificate

✓ Completion certificate from The Gem Academy

✓ 7-step guide to identification guidebook by Julia Griffith

✓ Fully catered -  lunch and refreshments included.


  • One ticket

    This ticket includes a one-day workshop. Lunch and refreshments included.

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