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Graff unveils ‘world’s largest’ square emerald cut diamond
![](https://www.jewelleryfocus.co.uk/wp-content/uploads/2019/04/Front-view-of-the-Graff-Lesedi-La-Rona-Square-Emerald-Cut-Diamond-1000x667-e1555339403615-780x470.jpg)
Multinational jeweller Graff has unveiled the world’s largest square emerald cut diamond, named the Graff Lesedi La Rona.
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