the diamond-cut-diamond arts

'He was . . . in the habit of declaiming to Mrs. Stryver, over his full-bodied wine, on the arts Mrs. Darnay had once put in practice to 'catch' him, and on the diamond-cut-diamond arts in himself, madam, which had rendered him 'not to be caught.''

'Charles Dickens, A Tale of Two Cities, 1859.