Patent ID: 9265311
Filing Date: 2016-02-23
CPC Classification: A44C

Claim Text:
1. A gemstone comprising: a substantially rectangular girdle having rounded corners; a crown extending in a first direction from the girdle, the crown having a table, four sides, and four corner kite facets each positioned at a respective rounded corner, each of the four sides including: a pavilion extending in a second direction from the girdle, opposite the first direction, wherein a height of the crown is between 12 to 19½% of a width of the gemstone, a width of the table is between 55-65% of the width of the gemstone, the four corner kite facets are at an angle of approximately 30-40° relative to a first plane parallel to a surface of the table, the two star facets are at an angle of approximately 21-31° relative to the first plane, the side kite facet is at an angle of approximately 35-45° relative to the first plane, and the first set of three upper half facets and second set of three upper half facets are at an angle of approximately 40-50° relative to the first plane, the pavilion includes four main pavilion facets each of which extend from the respective rounded corner to a bottom of the pavilion, and six lower half facets between each of the four main pavilion facets, the four main pavilion facets are each at an angle of approximately 34-38° relative to a second plane parallel to a face of the girdle, and the six lower half facets are each at an angle of approximately 35-43° relative to the second plane.