The annual event, hosted by Queen Silvia and Princess Madeleine of Sweden, helps raise funds to support the foundation's work with children victim of abuse, families at risk and street children in over 16 countries around the world. Davis was the guest of honor and delivered a speech during the event.
The following day Davis wore Mattioli again, this time to a symposium by the World Childhood Foundation hosted by Queen Silvia.
The actress, who is an advocate for gender equality in the media and entertainment, founded the Geena Davis Institute on gender in media.
Mattioli, the Torino based jewelry brand, is known for its use of rose gold with gemstones.