Forbes contributors publish independent expert analyses and insights. I am the founder of La Patiala, the luxury encyclopedia. Opals are some of the most unique gemstones on Earth. They range from ...
Victoire de Castellane, the Paris-based creative director for Dior fine jewelry, remembers the moment that opals, which are formed from silica in fissures of rocks, first captivated her. At age 6, she ...