Abstract: A gemstone is configured to yield a hearts and arrows pattern when subjected to light. The gemstone has a length, a width and a height. The gemstone includes a crown portion, a girdle and a pavilion portion. The crown portion has a height of about 10-14.5% of the length of the gemstone and has four sides and four corners where the four corners connect the four sides to each other. The crown portion includes an octagonal table facet, 8 star facets of equal geometry and dimension positioned around the octagonal table facet so as to enclose the octagonal table facet, and other facets. The girdle has a variable thickness extending circumferentially along the gemstone. The pavilion portion has a height of about 45.5-54% of the length of the gemstone and includes 8 main pavilion facets, 16 pavilion half facets positioned around the main pavilion facets, and other facets.