Caderousse started and turned pale.

“False!” he muttered. “False! Why should that man give me a false diamond?”

“To get your secret without paying for it, you blockhead!”

Caderousse remained for a moment aghast under the weight of such an idea.

“Oh!” he said, taking up his hat, which he placed on the red handkerchief tied round his head, “we will soon find out.”

“In what way?”

“Why, the fair is on at Beaucaire, there are always jewellers from Paris there, and I will show it to them. Look after the house, wife, and I shall be back in two hours,” and Caderousse left the house in haste, and ran rapidly in the direction opposite to that which the priest had taken.