A brief historical background is given on the hardware realization of X-ray fluorescence (XRF) of diamonds for the purpose of enrichment of natural rough diamonds. The prin- ticipal difference between the traditional Russian and Western technological enrichment schemes is shown. The general characterization of diamond RL-separators is given and the main technical data of the complex of the latest domestic models are given. Diamond mining enterprises operating RL-separators created by OAO Burevestnik Research and Production Enterprise, OJSC.
