Diamond Masterclass

Mosimann's * Lyon & Turnbull Thursday 11th June 2026

Join jewellery specialists from Lyon & Turnbull for an exclusive event dedicated to fine jewellery and diamond expertise. Gemmologist Sarah Duncan will lead an engaging masterclass, guiding you through the fundamentals of gemmology and jewellery. Learn how to decode a diamond certificate, use a jeweller’s loupe, and discover practical techniques to help you identify a diamond in seconds.

The session will be led by Sarah Duncan, Head of Jewellery at Lyon & Turnbull, a highly respected specialist with over 15 years’ experience in the London auction world.

Why not make a day of it?
Extend your visit by booking a table in the restaurant, or enjoy drinks and bar dining afterwards at the Belfry Bar.

11th June | 11.00am
£20 per person, including tea/coffees

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