Gem-A Conference 2026

The Leonardo Royal Hotel London St Paul’s • 7th - 8th November 2026

The Gem-A Conference is the must-attend global event for gemmologists, researchers, industry professionals and enthusiasts.

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Join us for the Gem-A Conference 2026

Join us in London on 7th – 8th November 2026 for two dynamic days of cutting-edge presentations, hands-on workshops, and high-value networking. Connect with leading experts from around the world, discover the latest advancements in gemmology, and be part of a vibrant international community driving the industry forward.

The world’s most prestigious gemmology conference

This year, the conference spans a whole weekend and it’s packed with speakers, workshops, and networking opportunities.

Attendees will gain insights into the latest advancements, trends, and research in gemmology, network with peers, and participate in hands-on workshops.

Whether you are a seasoned professional or new to the field, this conference offers something for everyone.

What to Expect

Conference Sponsors

Silver Sponsor

MARCUS McCALLUM logo

Silver Sponsor

Conference 2026 - - Primary Gold 2

Silver Sponsor

Conference 2026 - - Charles Bexfield logo

Bronze Sponsor

Conference 2026 - - ward logo

Bronze Sponsor

Conference 2026 - - logo

Conference Sponsor

Conference 2026 - - NAJ logo horizontal

Sponsor the Conference

Sponsoring the Gem-A Conference gives you the opportunity to align your brand with the flagship event in the industry. Download the brochure to learn more.

Meet this year's speakers

Speakers to be announced soon

Conference 2026 - - Richard Drucker

Master of Ceremonies

Richard B. Drucker, GIA GG

Honorary FGA & Honorary President, Gem-A

Cath Hill

Opening & Closing Address

Cath Hill, MA, MBA, FCIM

Chief Executive Officer, Gem-A

Agenda

Agenda to be announced soon

8.15am

Breakfast & Registration

9.10am

Welcome and Opening Remarks

Cath Hill and Richard Drucker

The Blue List – the Responsible Jewellery Supply Chain Lexicon – Why Words Matter

Purvi Shah, PS, Head of Ethical and Sustainable Value Chains, De Beers Group 

Morning break and opportunity for networking

The Copper Connection: Identifying Oregon Sunstone

Rosie Young, BSc, FGA EG 

Updates on the Timing and Geochemistry of Mogok Sapphire Formation

Rachelle Turnier, Ph.D., Manager of Museum Exhibits & In-Kind Gifts 

1-2pm

Lunch break and an opportunity for networking

How Old is Your Treatment?

Çiğdem Lüle, Ph.D., FGA, GIA GG, DGA 

Afternoon break and opportunity for networking

The Winston Red diamond: Contribution to the Understanding of the Rarest Color

Eloïse Gaillou, Ph.D., Director of the Mineralogy Museum of Mines Paris – PSL 

4.45pm

Closing Remarks

Richard Drucker and Cath Hill

5-6pm

An opportunity to network and meet the speakers over refreshments

Agenda to be announced soon

Hear from past attendees

Ticket Costs

Take advantage of our limited time early-bird ticket prices!

Please note that prices below include VAT.

Gem-A Member

  • Saturday & Sunday £378

    Normally £453.60

  • Saturday Only £252

    Normally £302.40

  • Sunday Only £252

    Normally £302.40

Students

Gem-A, BCU, JVA & GIA

  • Saturday & Sunday £189.00

    Normally £226.80

  • Saturday Only £94.50

    Normally £113.40

  • Sunday Only £94.50

    Normally £113.40

Non-Member

  • Saturday & Sunday £451.50

    Normally £541.80

  • Saturday Only £288.75

    Normally £346.50

  • Sunday Only £288.75

    Normally £346.50

Venue Information

This year we are returning once again to the fabulous Leonardo Royal Hotel, London St Paul’s overlooking the iconic St Paul’s Cathedral.

The Leonardo Royal Hotel London St Paul’s has a state-of-the-art conference suite and is perfectly located in central London close to several transportation links providing easy access for both local and international attendees . And, if you need to stay over, we have negotiated some preferential rates for you at both the Leonardo Royal and other nearby hotels. A discount code for hotel bookings will be sent with your booking confirmation.

The Leonardo Royal Hotel London St Paul’s

10 Godliman Street, London EC4V 5AJ

Find the best local hotels for the Conference

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Upcoming Events

Limited tickets available. Secure your place now.
Gemmological Instruments
Meet the Author
Rui Galopim de Carvalho
Thursday, June 5
Decorative plate made of Tortoiseshell which is a material produced from the shells of the larger species of tortoise and turtle.
Gemmological Instruments
Meet the Author
Maggie Campbell Pedersen
Thursday, June 12

Christmas Closure

The Gem-A office will be closed from 3pm Wednesday 24th December 2025 for the holidays, reopening 9am Friday 2nd January 2026.

Season’s greetings from all of us at Gem-A!