Fecha de publicación: 28/01/2015 Fuente: Wipo Olive Table The invention relates to a diamond processing method, which comprises the following steps of cutting a table, forming a girdle, processing a pavilion, and processing a crown, wherein the processing of the pavilion adopts a composite processing method, the reference surface of the girdle is used as the reference, a part near the girdle is ground into N bottom surfaces at a first included angle (alpha), and N is greater than or equal to 6; the ratio of the corresponding height (h1) of the bottom surface in the height (h) from the reference surface of the girdle to the tip of the pavilion is that the ratio of round diamonds is 20-40%, and the ratio of elliptical, olive-shaped, pear-shaped and heart-shaped diamonds is 70-80%; culet forming surfaces are ground at a second included angle (beta) on the basis of N bottom surfaces; at least 2N bottom foot surfaces are ground at a third included angle on the basis of ridges formed by two adjacent surfaces; the first included angle (alpha) is greater than the second included angle (beta). The diamond processing method has the advantages that the good bright and luster of the diamond are maintained, and the maximum weight of the diamond is also maintained.