As part of its LVMH Watch Week presentation, Gérald Genta has debuted the new Gentissima Oursin Fire Opal timepiece. The ...
Take your garnet, amethyst, aquamarine, diamond, emerald, pearl, peridot, opal, sapphire, ruby, turquoise or topaz birthstone ...
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 ...
October has two birthstones: opal and tourmaline. Opal is the traditional birthstone for October. It is believed the stone was discovered in India and given the name "upala," or "precious stone ...