RAMAT GAN, Israel (AP) — An Israeli high-tech company has invented a machine that it says can instantly grade the clarity of polished diamonds -- a development the company said Thursday will bring new ...

Portraying Lorelei Lee, Marilyn Monroe iconically performed Diamonds Are A Girl's Best Friend in Gentlemen Prefer Blondes, released in 1953. The same year saw the Gemological Institute of America ...

In the current job market, many individuals are seeking unique career paths beyond traditional roles like doctors or engineers. One such intriguing profession is diamond grading, which involves ...

G. Robert Crowningshield, 87, a renowned gemologist and research scientist who made significant contributions to the study of gems that allow gemologists to detect treated and synthetic gem materials, ...