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Next Practical Workshop:

Identifying Laboratory-Grown Diamonds

Friday 23rd January 2026

The Glassworks, Lancaster

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Welcome

TO THE GEM ACADEMY

Online Course

Join the Ultimate Guide

to Laboratory-grown diamonds.

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"Engaging and informative, the workshop was very well structured. Julia is so passionate and full of energy, a great teacher dedicated to passing on her knowledge!"

Daniela Gruzo

Workshop | Identifying laboratory-grown diamonds 

Videos

Testing Videos
Testing fluorescence in laboratory-grown diamonds with the Jewellery Inspector by Gemetrix - REVIEW
09:20
How to test for laboratory-grown diamonds with the Synthetic Diamond Screener II (SDS II) - REVIEW
11:56
Everyone working with diamonds needs to know this!
07:57
WHY you can't rely on diamond testers | Part 2
03:30
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Julia Griffith FGA DGA EG

Julia Griffith brings over a decade of experience in gemmology education. Formerly a leading instructor at the world renowned Gemmological Association of Great Britain, Julia now devotes her expertise to crafting educational content aimed at deepening your understanding of laboratory-grown diamonds and building your confidence.

Renowned for her engaging teaching style, Julia has captivated both gem enthusiasts and professionals at numerous national and international events—and she’s eager to share her passion for learning with you.​​

Find out more about Julia

About Julia

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