Add Yahoo as a preferred source to see more of our stories on Google. Don’t let its dusty, artsy, downhome vibe fool you — Tucson in February plays host to the jewelry industry’s heaviest hitters.

The jewelry industry’s most respected gemological authority has announced a change in how it will evaluate lab-grown gems. By Amy Elliott A certain type of engagement ring seems to have reached peak ...

When Maisie Plant, the young wife of the American industrialist, Morton Plant, was seated next to Pierre Cartier at a dinner party in 1917, she was said to have marveled over two strands of pearls so ...

GemRight Gemology, an independent laboratory based in Singapore, has announced new strides in gem testing, research, and ...

William Boyajian resigned late Monday as president of the Gemological Institute of America, the world's largest gem-grading lab, which has been rocked by a diamond-grading scandal in the past year.

Don’t let its dusty, artsy, downhome vibe fool you — Tucson in February plays host to the jewelry industry’s heaviest hitters. They come to this Arizona desert town to attend a confluence of gemstone ...