A method for increasing gloss on a polished, hard floor surface of stone or stone-like material is disclosed. The method comprises treatment of the floor surface with a flexible pad (1) comprising an open, lofty, three dimensional non-woven web of fibers, in the presence of abrasive particles, bonded to the pad, on a contact surface between the pad (1) and the hard surface. The abrasive particles comprise diamond particles. The treatment is performed in the absence of an effective amount of crystallization agent on the contact surface.