The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds from her grandmother, Queen Mary. Queen Elizabeth II wore her share of ...

Forbes contributors publish independent expert analyses and insights. Kate Matthams Spencer is a Paris-based writer who covers jewelry. A 41.28ct, ice-blue diamond has been unearthed at the famous ...

It is worn exclusively for coronations and State Openings of Parliament. Queen Elizabeth II once joked that the topper was so heavy, "your neck would break" if you looked down while wearing it. Among ...

Cullinan, roughly 45km to the north-east of Pretoria, has transformed from a colonial outpost into an innovative diamond-mining town, using X-ray transmissions and AI to recover valuable diamonds. It ...

Queen Elizabeth II wore her share of unforgettable jewelry over the course of her 70-year reign, but nothing matched the brilliance of the Cullinan III and IV brooch. The spectacular jewel features ...

Queen Elizabeth owned a dazzling brooch cut from the world’s largest diamond. The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds ...