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Fri, 12 Aug


The Goldsmith Centre

Identifying laboratory-grown diamonds

Boost your confidence in your ability to identify laboratory-grown diamonds. This 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 practical sessions in this invaluable learning experience.

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Identifying laboratory-grown diamonds
Identifying laboratory-grown diamonds

Time & Location

12 Aug 2022, 09:30 – 16:30 BST

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

About the Workshop

Target audience:

✓ Gem and jewellery professionals

✓ Gem and diamond buyers

✓ Jewellery valuers

✓ Pawnbrokers

✓ Auction house cataloguers

✓ 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 and microscope.

Workshop leader: Julia Griffith FGA DGA EG

Extra benefits:

✓ Completion certificate

✓ CPD certificate (and CPD points)

✓ 7-step guide to identification guidebook

✓ Full catering

✓ Sandwich buffet lunch and AM/PM refreshments

Gain invaluable experience identifying laboratory-grown diamonds. This workshop will boost your confidence, understanding and practical skills. Identification focuses on observations and simple tests that are available to the average gem professional. Attendees receive an exclusive identification guidebook, which acts as a life-long resource.

Friday August 12th 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, and Gemetrix StrainView. Topics will include: Observation, magnetism, UV reactions, crossed polarised filters (CPF), screening equipment, testing melee and discussions on advanced equipment. You will have the opportunity to handle a huge variety of laboratory-grown diamonds (45+ stones) of a variety of sizes and shapes as well as mounted jewellery. This curated collection features a complete range of identification features in laboratory-grown diamonds.

  • Class is limited to 9 participants to ensure excellent peer-tutor interaction.
  • Hosted in the beautiful architecture of The Goldsmith Centre in Farringdon, London.
  • A minimum of 45+ laboratory-grown diamonds plus melee stones will be available.
  • Basic gemmological equipment is available to loan for the day.
  • Attendees receive an identification guide.
  • Lunch and refreshments included.

Additional benefits:

  • 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!

Want this workshop to come to you?

I also offer this course as a travelling workshop nationwide. This is a good option for those with 4 or more persons requiring this practical training as it will save you all time, travel and money whilst reaping all the benefits of education! A maximum of 12 attendees in one day to be taught at your place of work. Prices starting at £1500 for 4+ staff. Email to enquire further.


  • One ticket

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

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