Ask some of the world’s wealthiest what their Roman Empire is in terms of a shopping spree, and along with property, private jets and interplanetary travel, high jewelry is likely to emerge as the ...

Alicia Oltuski’s story is not like many others. At 22, the Silver Spring author was ushered into the guarded world of diamond dealing. Her father, a longtime diamond dealer, offered her a summer job ...

Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print ...

When people think of the ultimate precious stone, something that is both versatile and timeless, a diamond is what instantly springs to mind. Yet only to focus on diamonds is to overlook a whole host ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Geologists think all of Earth’s natural diamonds were formed in the planet’s mantle — the layer just ...