Diamond cut

Abstract

A brilliant gemstone cut, having a crown, a girdle and a pavilion. The crown and the pavilion are both brilliant cut. The crown has a flat table shaped with multiple faceted bezel facets. The pavilion has n rib lines, which converge at a culet, and are multiple faceted, and lower girdle facets which are multiple facets.

1 . A gemstone cut, wherein said gemstone cut is a brilliant cut comprising: 
 a. a brilliant cut crown located on an upper side of a girdle, said girdle having a plane;    b. a pavilion located on a lower side of said girdle comprising: 
 a cutlet;  
 rib lines, wherein, 
 said rib lines subdivide said pavilion;  
 said rib lines run from said girdle and converge at said culet;  
 
   c. lower girdle facets, wherein 
 said lower girdle facets have an upper facet section, and a lower facet section;  
   d. pavilion facets, wherein said facets have an upper facet section, a mid facet section and a lower facet section.    
   
   
       2 . The gemstone cut of  claim 1 , wherein said brilliant cut crown comprises: 
 a. a table shaped as an equilateral polygon having eight sides; and,    b. upper bezels facets, which have two facet sections.    
   
   
       3 . The gemstone cut of  claim 2 , wherein the number of rib lines is eight.  
   
   
       4 . The gemstone cut of  claim 2 , wherein said table is shaped as an equilateral octagon.  
   
   
       5 . The gemstone cut of  claim 2 , wherein said upper bezel facets are triangles.  
   
   
       6 . The gemstone cut of  claim 5 , wherein said upper corner facets have an inclination of 32° to 40° degrees of arc with respect to the plane of said girdle.  
   
   
       7 . The gemstone cut of  claim 2 , wherein said lower girdle facets are shaped as triangles and truncated triangles.  
   
   
       8 . The gemstone cut of  claim 7 , wherein said upper girdle facets have an inclination of 32° to 40° degrees of arc with respect to the plane of said girdle.  
   
   
       9 . The gemstone cut of  claim 1 , wherein said girdle is shaped as a circle.  
   
   
       10 . The gemstone cut of  claim 9 , wherein a width of said girdle is 100% to 150% of a total height of said gemstone cut.  
   
   
       11 . The gemstone cut of  claim 1 , wherein said gemstone is one of a precious or semi-precious stone.  
   
   
       12 . The gemstone cut of  claim 1 , wherein said culet is a point.  
   
   
       13 . A gemstone cut, wherein said gemstone cut is a brilliant cut gemstone, comprising: 
 a. a crown, wherein said crown is located on an upper side of a girdle and comprises: 
 a table shaped as an equilateral eight sided polygon;  
   b. upper bezel facets, wherein the number of said upper bezel facets is sixteen; and,    c. a pavilion, wherein said pavilion is located on a lower side of said girdle and comprises: 
 a culet;  
 rib lines;  
 pavilion facets which each have three sections; and,  
   d. lower girdle facets which each have two sections.    
   
   
       14 . The gemstone of  claim 1  wherein said gemstone is a round gemstone.  
   
   
       15 . The gemstone of  claim 1  wherein said gemstone is an octagon gemstone.  
   
   
       16 . The gemstone of  claim 14  wherein said gemstone is a pear gemstone.  
   
   
       17 . The gemstone of  claim 14  wherein said gemstone is an oval gemstone.  
   
   
       18 . The gemstone of  claim 1  wherein said gemstone is a marquise gemstone.