Amorphous diamond films are deposited on transparent substrates upon exposure of its interface with liquid hydrocarbons (C6H5CH3, C6H6, and C6H5CH(CH3)(2)) to pulsed visible radiation of a Cu vapor laser (lambda = 510.6 nm). The X-ray Auger electron spectroscopy (XAES), reflection high energy electron diffraction (RHEED), scanning electron microscopy (SEM), profilometry, optical spectroscopy, and Raman analysis at lambda = 632.8 nm excitation wavelength are employed to characterize the deposited films. The sp(3) fraction in deposited films amounts to 60-70% and depends on the precursor. The films show excellent adherence, are transparent in the visible and have microhardness of 50-70 GPa, as measured with a nanoindentor. The sp3 bond fraction in deposited films increases with addition to the liquid hydrocarbon a suspension of diamond nanoparticles.