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 ...

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 ...

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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 ...