NOVEL METHOD FOR CUTTING NATURAL AND/OR MAN-MADE DIAMONDS AND ARTICLE RESULTING THEREFROM

摘要

A high yield diamond and method of producing same, the diamond includes a plurality a main crown facets (52) adjacent a table (44) lying at an angle of between 23 DEG and 40 DEG relative to the table (44), a girdle (41), a plurality of upper pavilion facets (56) below the girdle (41) lying at an angle of between 45 DEG and 80 DEG relative to the girdle plane, and a plurality of lower pavilion facets (59, 57) formed between the upper pavilion facets (56) and the culet (60). The upper pavilion facets (56) extend from between one fifth to four fifths the height of the pavilion. The method includes a process for blocking the pavilion of the diamond prior to performing any brillianteering steps.