EMERALD CROWN

Emerald is one of the oldest and most coveted gemstones in human history. Cleopatra wore it. The Mughal emperors engraved prayers into it. For thousands of years, across cultures that had no contact with one another, emerald was independently understood to be something exceptional.

It belongs to the beryl family, sharing its mineral structure with aquamarine and morganite, but it is the presence of chromium and vanadium that gives emerald its colour. That particular green, saturated and deep, exists nowhere else in the gem world. No treatment, no imitation and no laboratory has ever fully replicated it.

The finest emeralds come from Colombia, where the Muzo and Vivid mines have been producing extraordinary stones for over five centuries. Zambia produces a darker, slightly cooler green that has its own devoted following. Zimbabwe, Brazil and Afghanistan all contribute fine material, but Colombia remains the benchmark by which all others are judged.

Unlike most precious stones, emerald is almost always treated with oil or resin to fill surface reaching fractures, a practice so universal it is considered standard rather than deceptive. A completely untreated emerald of fine quality is genuinely rare and commands a significant premium. When a stone is certified as minor or no treatment, that matters.

Emerald rewards patience and knowledge. A fine one is not easy to find, and when you do find it, you know immediately.