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 ...
It's been more than a decade to market for one of the world's most impressive opals, which will be on sale this weekend at an upscale jewelry event in Las Vegas. The minimum asking price: $3 million.