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Fri, 21 Jan


The Goldsmith Centre

Identifying laboratory-grown diamonds

Boost your confidence in your ability to identify laboratory-grown diamonds. This practical one-day workshop gives you the opportunity to handle dozens of laboratory-grown diamonds. Julia Griffith will guide you through a series of lectures and hands-on sessions to hone your identification skills.

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Identifying laboratory-grown diamonds
Identifying laboratory-grown diamonds

Time & Location

21 Jan 2022, 09:30 – 16:30

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

About the Workshop

Target audience: Gem and jewellery professionals. Gem buyers, jewellery valuers, pawnbrokers, auction house cataloguers, gemmologists, gemmology students, retailers.

Pre-requisite: Must be profficient at observing gems with a 10x loupe and microscope.

Workshop leader: Julia Griffith FGA DGA EG will be your guide through this complex topic.

Gain valuable hands-on experience identifying laboratory-grown diamonds. You will have the opportunity to handle a huge variety of laboratory-grown diamonds. This curated collection features a complete range of identification features. Identification focuses on observations and simple tests that are available to the average gem professional, or at an afforable price. Attendees receive an exclusive identification guidebook, which acts as a life-long resource. Julia Griffith FGA DGA EG will be your guide through this complex topic. 

Friday January 21st 2022

9:30am - 4:30pm


VAT is not applicable.

We will cover observation and instrumentation which helps us identify laboratory-grown diamonds. Equipment includes Presidium ARi, Presidium SDSII, Gemetrix Jewellery Inspector, Gemetrix StrainView. Topics will include: Observation, magnetism, UV reactions, crossed polarised filters (CPF), screening equipment, testing melee and discussions on advanced equipment. 

  • A minimum of 40+ laboratory-grown diamonds plus melee stones will be available.
  • Basic gemmological equipment is available to loan for the day.
  • Attendees leave with printed handouts of lessons and test results.
  • Classes are limited to 8 participants.
  • Hosted in the beautiful architecture of The Goldsmith Centre in Farringdon, London.
  • Lunch and refreshments included.

  • This course is CPD accredited.
  • Attendees will receive CPD points and a certificate of attendance.
  • Attendees will have an option to attend a "recap day" in 2022 priced at £195.00 to gain further experience testing laboratory-grown diamonds.

There is nothing like this course out in the market right now! There are two others available in the U.K. One is priced at £650pp. The other is £295pp and does not offer this range of sample stones, access to equipment nor offers CPD points. This is the only laboratory-grown diamond course with a Central London location.

Want this workshop to come to you? I also offer this course as a travelling workshop nationwide to come to your place of work. This is a good option for those with 4 or more persons requiring this practical training. Maximum of 14 attendees in one day. Email to enquire further.


  • One ticket

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

    Sale ended



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