Il più grande diamante puro del mondo sarà venduto all'asta da Sotheby's il 29 giugno a Londra. Il valore è stimato a 70 milioni di dollari.
Fino a domenica 8 maggio sarà esposto a New York, poi andrà a Anversa e quindi a Londra. "Lesedi La Rona" è stato trovato 9 mesi fa in Botswana in una miniera della compagnia Lucara.
La pietra ha un peso di 1'109 carati. E' il maggior diamante trovato negli ultimi cento anni. Nello stesso giorno era stato scoperto nel paese africano un altro diamante di 830 carati, il terzo per importanza al mondo. Il diamante più grande resta il "Cullinan" (3'017 carati) trovato in Sudafrica nel 1905. Fu in seguito spezzato.
Non verrà spezzato come il "Cullinan"
ats/afp/mas
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