Experts have predicted that the Golconda Blue could smash its high estimate to sell for as much as $100 million at Christie’s in Geneva, making it the most expensive diamond ever sold at auction. The ...

Sir Michael Hill will take a leave of absence from the jewelry company he created and runs to undergo treatment for cancer. Andrea Slingsby, who spent three years with the Australia-based jeweler from ...

Production at Rio Tinto’s Diavik mine in Canada rose in the first quarter as the site returned to normal levels after temporarily halting production a year ago. Output grew 27% year on year to 942,000 ...

First-quarter sales at LVMH slipped amid a downturn in luxury as the market saw economic and political challenges, with jewelry the only category to record an increase. Revenue for the watch and ...