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Fri, 20 Jan


The Goldsmith Centre

Identifying laboratory-grown diamonds

Learn to identify laboratory-grown diamonds. This one-day workshop gives you the opportunity to handle dozens of samples and boost your confidence and abilities. 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

20 Jan 2023, 09:30 – 16:30 GMT

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 January 20th 2023

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.

  • Learn everything you need to know so you can test and identify laboratory-grown diamonds for yourself.
  • 45+ laboratory-grown diamonds available to observe and test!
  • See all the tale-tell features that you may have read about
  • Excellent peer-tutor interaction with a maximum of 9 other participants.
  • Hosted in the beautiful architecture of The Goldsmith Centre in Farringdon, London.
  • Basic gemmological equipment is available to loan for the day.
  • Attendees receive an 7-step identification guide.
  • Fully hosted workshop -  lunch and refreshments included.

Additional benefits:

  • CPD accredited
  • CPD pointsand certificate
  • Completion certificate from The Gem Academy

There is nothing like this course out on the market right now!

Want this workshop to come to you?

I also offer this course as in-store workshop nationwide - a great option for those with 4 or more persons requiring this practical training. Save time and money by training your staff at your place of work or a venue of your choosing! A maximum of 10 attendees per workshop. Prices start at £1500. Email to enquire further.


  • One ticket

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

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