Twenty Years After by Alexandre Dumas Chapter 4 Page 26

As she spoke she extended her beautiful hand to the cardinal and showed him a superb diamond which sparkled on her finger.

“It appears,” she resumed, “that he sold it — -he sold it in order to save me another time — to be able to send a messenger to the duke to warn him of his danger — he sold it to Monsieur des Essarts, on whose finger I remarked it. I bought it from him, but it belongs to D’Artagnan. Give it back to him, sir, and since you have such a man in your service, make him useful.”

“Thank you, madame,” said Mazarin. “I will profit by the advice.”

“And now,” added the queen, her voice broken by her emotion, “have you any other question to ask me?”