Lisbon: If you haven’t done so yet, there are still a few days to register with the reduced Early Bird rate and secure your seat for the second edition of TREASURES, an award-winning international colloquium that will take place under the patronage of the President of the Republic of Portugal at the Royal Treasure Museum, Palácio Nacional da Ajuda, in Lisboa, Portugal, November 13-14, 2026. Make sure to also secure your seat for the pre-conference tour! The Early Bird reduced rate ends on June 30.
After a very successful 2024 event under the theme Royal Gems & Jewellery, this exciting new edition will offer delegates two full days of keynote addresses and discussion panels conducted by renowned experts and research fellows in the fields of jewellery, gemmology, art history and jewellery conservation from world-class museums, universities and institutes where royal and imperial crowns, diamond tiaras, and gem-set hat or hair jewels are precious protagonists. Delegates will have exclusive access at all times to the Portuguese Royal Collections, which will be closed to the public during the proceedings.
The keynote speakers of the event include: Bénédicte Epinay, President of ECCIA – the European Cultural and Creative Industries Alliance; José Alberto Ribeiro, Director, Ajuda National Palace, Portugal; Maurício Vicente Ferreira Júnior, Director, Imperial Museum, Petrópolis, Brazil; Hugo Miguel Crespo, University of Lisbon, Portugal; Kazumi Arikawa and Odile Emanuelli, Albion Art Institute, Tokyo, Japan; Albert Gilg, Technische Universität München, Germany; Akitsugu Sato, Research Collection Manager, SSEF – Swiss Gemological Institute, Basel, Switzerland; Miguel Cabral Moncada, Cabral Moncada Leilões, Lisbon, Portugal; Linda Borsch and Matthew Cumbie, the Metropolitan Museum of Art, New York, USA, Teresa Maranhas, Ajuda Nacional Palace, Lisbon, Portugal; Miguel Metello de Seixas, Faculdade de Ciências Sociais e Humanas, NOVA, Lisbon, Portugal; Cristina Filipe, CITAR – Universidade Católica do Porto, Portugal; Suzanne van Leewwen and Ellen van Bork, Rijksmuseum, Amsterdam, the Netherlands; Eduardo Alves Marques, Researcher, Palácio Nacional da Ajuda, Lisbon, Portugal; Gabrielle de Montmorin, Historian and Journalist, Paris, France.
The internationally renowned Lisbon-based gemmologist and author Rui Galopim de Carvalho will serve as Master of Ceremonies.
In memory of the second centenary of the death of Portugal’s king Dom João (John) VI of the Braganza Dynasty (†1826), the colloquium will feature a special presentation of the Royal Crown – on display at the museum – that was made, in Brazil, on the occasion of his accession to the throne of the United Kingdom of Portugal, Brazil and the Algarves in 1818. The colloquium is looking forward to welcoming H.H. the Lady Infanta D. Maria Francisca de Bragança, Duchess of Coimbra, of the Portuguese Royal House of Bragança, who will be honouring the participants with her presence.
TREASURES GEM & JEWELLERY TOURS:
There are only a few seats left for the pre-colloquium gems and jewellery tour of November 12. The post-colloquium tour of November 15 is sold out. Grab your seats as soon as possible to make your experience even more memorable. The tour will be guided by Rui Galopim de Carvalho, who will take his guests to three museums of high interest to gemmologists and jewellery aficionados: Museu de São Roque; Museu do Oriente; and the renovated Museu Calouste Gulbenkian.
The colloquium will be conducted in English.
