Patent ID: 8616192

Claim:
A gemstone, comprising: a girdle; a crown extending in a first direction from the girdle, the crown consisting of: a table, eight star facets surrounding the table, eight first half facets aligned between the star facets, eight second half facets provided adjacent to the first half facets, and sixteen upper girdle facets with each of the upper girdle facets provided adjacent to, and forms a common edge with another upper girdle facet to form a pair of upper girdle facets, each pair of the upper girdle facets is aligned between two adjacent second half facets, wherein the eight first half facets are each formed at an angle between 32.0Â° and 35.0Â° relative to a plane parallel to a horizontal plane of the girdle and the eight second half facets are each formed at an angle between 35.0Â° and 38.0Â° relative to the plane parallel to the horizontal plane of the girdle; and a pavilion extending from the girdle in a second direction opposite the first direction, the pavilion consisting of: sixteen pavilion main facets extending concentrically from a point of the pavilion distant from the girdle, and sixteen lower girdle facets aligned between the pavilion main facets.