A model holds the "Archduke Joseph" diamond, a 76-carat giant from the Golconda mine that produced the famous Koh-i-noor. Photo: AFP

'Archduke Joseph' diamond sells for record price at Christie's in Geneva

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A model holds the "Archduke Joseph" diamond, a 76-carat giant from the Golconda mine that produced the famous Koh-i-noor. Photo: AFP
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