Grandveau is the recipient of the 2023 IHF Young Female Player of the Year award, having impressed at the 2023 IHF Women’s World Championship. In 2024, the centre back, who turned 22 this January, was, once again, part of the France senior national team during the Paris 2024 Olympic Games and the EHF EURO 2024.

While at the continental competition, Grandveau and France finished third, at the Paris 2024 Olympic Games, France had an excellent competition, until the final, which they conceded on their home court, in Lille, against Norway. Grandveau scored eight goals from 14 shots, for a 57% shooting efficiency at Paris 2024.