A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...

“I won and was deemed the bona fide good purchaser of the emerald,” he said. “But in life, you can win, and not win.” He’s been under the stone’s spell for long enough. “If it’s ...

The Bahia Emerald, a 752-pound stone smuggled to the U.S. more than a decade ago, is expected to soon return to Brazil.