Identifying Laboratory-Grown Diamonds with Julia Griffiths

January 23rd 2026

£395

09:30 – 16:30 GMT

Description:

Elevate your skills and confidence in identifying laboratory-grown diamonds with this intensive, hands-on workshop. Using Julia Griffith’s structured 7-Step Guide to Identification, you’ll gain invaluable expertise in distinguishing laboratory-grown diamonds from natural diamonds using practical tools designed for jewellery professionals.

This one-day workshop offers a unique combination of in-depth knowledge, guided practice, and access to over 60 samples of laboratory-grown diamonds. Perfect for diamond buyers, jewellers, and gem enthusiasts, this session is tailored to those working with diamonds in today’s ever-evolving market.

What You’ll Learn

• Enhance your confidence in detecting laboratory-grown diamonds.

• Avoid costly mistakes when buying diamonds from the public domain.

• Understand the distinct identification features of HPHT and CVD laboratory-grown diamonds, from basic observations to advanced testing methods.

• Explore laser inscriptions, inclusion patterns, UV reactions, screening tools, and more.

• Benefit from Julia Griffith’s expertise, real-world insights, and exclusive 7-Step Guide to Identification.

Course Content Overview:

1. Verifying laser inscriptions

2. Confirming “diamond” vs. simulants

3. Observing HPHT & CVD inclusions

4. Testing with screening tools

5. Analyzing UV reactions under longwave and shortwave light

6. Using Cross Polarised Filters (CPF)

7. Exploring advanced equipment and techniques

Extra Benefits:

✓ CPD-accredited course

✓ Completion certificate from The Gem Academy

✓ Exclusive 7-Step Identification Guidebook by Julia Griffith

Target Audience:

This workshop is ideal for:

• Diamond buyers and retailers

• Jewellery valuers and pawnbrokers

• Gemmologists and gemmology students

• Anyone working in or buying diamond jewellery

Pre-requisite: Participants must be proficient in using a 10x loupe to observe gemstones.

Workshop Leader: Julia Griffith, FGA DGA EG

Don’t miss this opportunity to expand your expertise and set yourself apart in the industry!