I bet they meant the kind of crown used in coronations, the way kings and queens are portrayed on playing cards and in medieval pictures.
--Previous Message-- : Mathilde did an interview with Belgian : magazine Libelle. Some kid asked her about : having a gold crown/coronnet.(kroontje in : dutch: I think can be roughly translated : into coronnet/crown). She denied but said : she did own a few diadems. Could this mean : that she didn't get the wedding gift tiara, : as one setting is that of a crown? :