History of Famous Jewels and Collections: Re: A question regarding access to tiaras

As long as Beatrix was Queen she was the only one to wear the big pearl and diamond tiara but she has continued to weear it after her badication and she has also worn it as Princess. But then queen Juliana only wore it a few times. also the big Sapphire tiara has only been worn by Máxima since becoming Queen and during Beatrix reign she was the only one to wear it, but then she has also worn it as Princess.
So i would say that except for the Stuart tiara there are no tiaras reserved for the Queen but several of the big tiaras are only used by the Queen and Crown Princess and former Queen.

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I know the Dutch collection is held within a trust or foundation structure and therefore the royal women often wear a wide range of jewels but are there any jewels which we could say categorically are just for the Queen's use?

Will Princess Catharina-Amalia have her pick or are some pieces limited to her mother, if not officially, informally at least - for example it would be odd if Queen Maxima wore the Aquamarine parure at an event and Princess Mabel turned up in the Stuart Parure, I am guessing that is restricted to the Queen? Anything else?

For example in the Swedish royal family I believe the Braganza tiara is used only by Queens of Sweden, so Princess Sibylla never wore it. Same I have always got the impression that we will never Crown Princess Victoria wearing the sapphires during her mother's lifetime as they are so closely associated with her but maybe that is just my wrong impression.