I don't think the star brooch is a part of the tiara. Here is a picture from 1952 where princess Margaretha is wearing both the tiara and the brooch
--Previous Message-- : Yes I believe it is Ingeborg's star...After : creating a turquoise star tiara, they must : have been still removable...like they were : originally : : : : --Previous Message-- : Isn't the star a part of the Turquoise Star : Tiara of her mother Princess Ingeborg? : : She loaned a lot of jewels of her mother, : quite interesting. As neighbour it was quite : easy, her sister HM Queen Astrid couldn't : borrow that easy jewels from her mother. : : :