ALEXANDRIA, Va., June 4 -- United States Patent no. 12,317,969, issued on June 3, was assigned to Albert Gad Ltd. (New York).
"Gemstone and methods of cutting the same" was invented by Reuven Paikin (Windhoek, Namibia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an octagon-shaped cross-section. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and...