Diamant is currently the Head of the Legal and Administrative Department at the Ministry of Defence and has held several positions within the ministry. She is trained as a judge in the Svea Court of Appeal and has previously worked as a legal expert in the Ministry of Health and Social Affairs.
According to Altinget, Charlotta Gustafsson's latest appointment was extended by the government in December 2022 and expired at the turn of the year 2024/2025.

