Of all the beguiling families of gemstones, there stands one that radiates the kaleidoscope effect of nature—the opals. These iridescent jewels are considered magical, inspiring, emotionally ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...

OF precious gems the opal and the pearl take pride of place, for they seem to become part of their wearers, throwing up their beauty and receiving from them additional lustre. Our author has tried ...

The Gentissima Oursin Fire Opal has fire opal gemstones surrounding the bezel, making it look like a blossoming sunflower. As part of its LVMH Watch Week presentation, Gérald Genta has debuted ...