Patent ID: 6990833

Claim:
An improved circular-cut gemstone comprising: a girdle with lower and upper girdle edges, a crown above said girdle, a substantially flat, octagon-shaped table located above the girdle wherein said girdle has a plane substantially parallel to the table, a pavilion located beneath the girdle and comprising a circumferential succession of pavilion facets wherein said pavilion has a bottom surface and said pavilion bottom surface consists of a point or culet, a bezel located above said girdle comprising a first annular region of upper bezel facets extending from said girdle towards said table, a second annular region of star facets, and a third annular region of upper girdle facets, wherein said girdle is substantially circular and has a diameter represented by the distance measured across said girdle plane from any first point on the girdle to a second point on the girdle wherein the second point on the girdle is 180 degrees from said first point on the girdle, wherein the pavilion facets include eight pavilion main facets and such pavilion main facets are angled at 40.7 to 42 degrees relative to the girdle plane, and wherein the upper bezel facets are angled 25 to 27 degrees relative to the girdle plane.