Gemstone

Abstract

The invention relates to a gemstone including a crown having a multiplicity of crown facets and a table, a girdle, and a pavilion having a multiplicity of pavilion facets, wherein a crown angle is between 34.5° and 35.5°, and is preferably 35°, and a pavilion angle is between 40° and 41°, preferably between 40.2° and 40.8°, and is particularly preferably 40.5°.

1 . A gemstone, comprising:
 a crown having a multiplicity of crown facets and a table,   a girdle, and   a pavilion having a multiplicity of pavilion facets,   wherein:   a crown angle is between 34.5° and 35.5°, and a pavilion angle is between 40° and 41°.   
     
     
         2 . The gemstone as claimed in  claim 1 , wherein the crown of the gemstone has one or two angle planes. 
     
     
         3 . The gemstone as claimed in  claim 1 , wherein the table is a regular dodecagon. 
     
     
         4 . The gemstone as claimed in  claim 1 , wherein the sum of the crown facets and of the pavilion facets is forty-eight or thirty-six or twenty-four facets. 
     
     
         5 . The gemstone as claimed in  claim 1 , wherein the pavilion facets comprise lower girdle facets and the crown facets comprise upper girdle facets, wherein each of the lower girdle facets is aligned with precisely one of the upper girdle facets. 
     
     
         6 . A timepiece having at least one gemstone, which is arranged in a dial/hands compartment or in a watchglass. 
     
     
         7 . The gemstone as claimed in  claim 1 , wherein the crown angle is 35°. 
     
     
         8 . The gemstone as claimed in  claim 1 , wherein the pavilion angle is between 40.2° and 40.8°. 
     
     
         9 . The gemstone as claimed in  claim 1 , wherein the pavilion angle is 40. 5°. 
     
     
         10 . The gemstone as claimed in  claim 2 , wherein the table is a regular dodecagon. 
     
     
         11 . The gemstone as claimed in  claim 2 , wherein the sum of the crown facets and of the pavilion facets is forty-eight or thirty-six or twenty-four facets. 
     
     
         12 . The gemstone as claimed in  claim 3 , wherein the sum of the crown facets and of the pavilion facets is forty-eight or thirty-six or twenty-four facets. 
     
     
         13 . The gemstone as claimed in  claim 2 , wherein the pavilion facets comprise lower girdle facets and the crown facets comprise upper girdle facets, wherein each of the lower girdle facets is aligned with precisely one of the upper girdle facets. 
     
     
         14 . The gemstone as claimed in  claim 3 , wherein the pavilion facets comprise lower girdle facets and the crown facets comprise upper girdle facets, wherein each of the lower girdle facets is aligned with precisely one of the upper girdle facets. 
     
     
         15 . The gemstone as claimed in  claim 4 , wherein the pavilion facets comprise lower girdle facets and the crown facets comprise upper girdle facets, wherein each of the lower girdle facets is aligned with precisely one of the upper girdle facets. 
     
     
         16 . The timepiece according to  claim 6 , wherein the at least one gemstone comprises:
 a crown having a multiplicity of crown facets and a table;   a girdle; and   a pavilion having a multiplicity of pavilion facets,   wherein a crown angle is between 34.5° and 35.5°, and a pavilion angle is between 40° and 41°.