gérald genta has unveiled the “Gentissima Oursin Fire Opal” at LVMH Watch Week. This limited-edition timepiece is the fourth in the Gentissima Oursin series, epitomizing the brand’s dedication to ...

Ten years ago, opal dealer Mark Tremonti heard that an exceedingly rare black opal had been unearthed in Lightning Ridge, the remote mining region in the Australian Outback. He quickly flew to the ...