Queen Mary's 'new' Tiaras that Queen Margrethe can no longer use

In January 2024 Queen Margrethe of Denmark abdicated the throne in favor of her son, crown prince Frederik. He became King Frederik X and his wife, the former crown princess became Queen Mary.
The crown jewels of the state of Denmark are solely used by reigning queens or queen consorts. Some other jewels belonging to the royal family or the state are also solely used by queens. Let's take a better look.