Lectures

Billie Hughes and Olivier Segura take the audience on a journey through the world of rubies.

Billie Hughes, Thierry Ardouin, and Olivier Segura discuss the intersection between photography, art, science, and nature.

Greasy Business • The Ongoing Fraud of Oiled Gems

Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.

Hands-on workshop looking at different types of jade, including both nephrite and fei cui.

Low-temperature heat treatment experiments on Burmese ruby.

Meet the Extraordinary 40 • Richard Hughes Honored by Jewellery News Asia

Greasy Business • The Ongoing Fraud of Oiled Gems

Billie Hughes and Olivier Segura discuss inclusions in colored gemstones and diamonds at an Evening Conversation for L'École School of Jewelry Arts, Van Cleef & Arpels.

Billie Hughes and Olivier Segura discuss inclusions in colored gemstones and diamonds at an Evening Conversation for Van Cleef & Arpels.

A discussion about the importance of inclusions and photomicrography.

Hands-on workshop looking at different types of jade.

Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.

Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.