Patent ID: 8181482

Claim:
A gemstone comprising: a substantially rectangular girdle; a crown extending in a first direction from the girdle, the crown having a table, four sides, and four bezel facets each positioned at a respective corner of the crown, each of the four sides of the crown including: a first break extending from the girdle toward the table; a second break extending from the first break toward the table; a third break extending from the second break to the table; and a first star facet provided between the third break and a first bezel facet of the four bezel facets; and a second star facet provided between the third break and a second bezel facet of the four bezel facets; and a pavilion extending in a second direction from the girdle, opposite the first direction, wherein a height of the crown is between 9 ½ to 13 ½% of a width of the gemstone, and wherein a width of the table is between 60-68% of the width of the gemstone, wherein the first break is at an angle of approximately 35-45° relative to a first plane parallel to a surface of the table, the second break is at an angle of approximately 30-40° relative to the first plane, the third break is at an angle of approximately 25-35° relative to the first plane, and the bezel facets are at an angle of approximately 20-30° relative to the first plane, wherein the pavilion includes a pavilion facet on each respective side of the gemstone, a main facet between each of the four pavilion facets, and four chevron facets between each main facet and each pavilion facet, wherein the four pavilion facets are each at an angle of approximately 53-65° relative to a second plane parallel to a face of the girdle, and wherein the main facets are each at an angle of approximately 35-39° relative to the second plane.