(The Crown Diamonds) is an opéra comique by the French composer Daniel Auber, first performed by the Opéra-Comique at the second Salle Favart in Paris on 6 March 1841.
The plot concerns a Portuguese princess, Catarina, who intrigues with bandits after she is forced to sell the crown diamonds of the title.
they let themselves be enchanted without scruple and with a twofold gratitude, when they listen to Salomé, by what it would have been impossible for them to admire in Les Diamants de la Couronne.