US Patent Issued to Gemological Institute of America Inc. (GIA) on Aug. 26 for "Detection and grading of the effect of blue fluorescence on diamond appearances" (California Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,131, issued on Aug. 26, was assigned to Gemological Institute of America Inc. (GIA) (Carlsbad, Calif.).

"Detection and grading of the effect of blue fluorescence on diamond appearances" was invented by Yun Luo (Carlsbad, Calif.), David Nelson (Carlsbad, Calif.), Troy Ardon (Carlsbad, Calif.) and Christopher M. Breeding (Carlsbad, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods here may be used for analyzing images of gemstones to automatically assign a haziness and/or fluorescence grade to the gemstone using contrast analysis on pixelated, digital images of the gemstones."

The patent was filed on March 29, 2024, under Appl...