Opals are some of the most unique gemstones on Earth. They range from milky white to fiery red and deep blue-green, and all have a kaleidoscope of shimmering colors within, called play-of-color. Here ...
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 ...