| 摘要 |
Cut product manufactured from a rough (semi) precious stone material, more particularly from diamond, comprising a lower part (pavilion) with a bottom end (culet); an upper part (crown) with a number of facets and a top end (a point with table width 0 or a top surface (table) with a table width); and a girdle between lower part and upper part, wherein the lower part comprises a number of girdle pavilion facets which describe a first angle a1 relative to the plane of the girdle and a number of culet facets which each describe a smaller second angle a2 relative to the plane of the girdle; wherein the average second angle a2 lies between 28 and 38 degrees; and wherein the ratio of the table width and the width of the girdle is 0 to 0.40. |
