ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,731, issued on Aug. 11, was assigned to CHOW SANG SANG JEWELLERY COMPANY Ltd. (Hong Kong).

"System and method for gemstone identification" was invented by Shuk Kwan Mak (Hong Kong), Wai Chiu Lam (Hong Kong) and Kwok Bun Cheng (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention provides a system and a computer implemented method to match gemstones with records in a gemstone database. In one embodiment, said computer implemented method comprises the steps of: a) Acquiring a source image of a gemstone; b) Receiving an input for identifying a corresponding gemstone in said gemstone database; c) Retrieving a set of reference data; d)...