Cinema aside, Cannes is a key calendar moment for red carpet style. So it’s little surprise that celebrities and designers alike use the event to create defining fashion moments. One standout so far?

Tiffany & Co. Bird on a Rock necklace set with a 12-carat tanzanite. Courtesy of Tiffany & Co. Today, the late designer likely would be surprised to learn that one of his most enduring works has ...

You might think that a species as gem-hungry as human beings would have mapped out all the major sources pretty early on, spreading their fame worldwide, like the Muzo emerald mines of Colombia or the ...

TUCSON — In February, during one of the annual gem shows here, Ray Zajicek displayed a stone that was not for sale: a 32-carat hexagonal crystal of red beryl — or “red emerald,” as the emerald dealer ...

Across the hills of Kenya and Tanzania, two gemstones capture the continent’s natural brilliance and enduring mystique: Tanzanite and Tsavorite. Both discovered within a few years of each other in the ...