In the world of jewelry, opal inhabits a space reserved for few gems. It is classified as a “mineraloid” because it lacks crystal in its mineral makeup. It doesn’t sparkle or glitter, like most ...

Gift 5 articles to anyone you choose each month when you subscribe. Thirty years ago, I didn’t like opals, they were a little ‘common’,” says Jacqueline Karachi, Cartier’s creative director of high ...

Once maligned, the Australian gemstones have become much prized, fuelled by scarcity and a growing obsession among high-jewellery houses and collectors. Reason to smile: Starry Starry Night Cocktail ...