Livia Firth presented the award, designed by Chopard’s Caroline Scheufele, during the city’s Film Festival.
Tom Ford, Ai Weiwei, The Weeknd and Melinda Gates were among the recipients of Innovators awards.
The eco-campaigner announced the four winners of the GCC Global Leaders of Change Awards on the sidelines of U.N. climate talks.
Erdem’s eco-efforts went on display at the Wallace Collection.
Sustainability consultant Firth hosted a cocktail at London's Wellington Arch Thursday.