A white diamond the size and shape of a small egg has sold for a record $30.8m (£19.1m) at auction in Hong Kong. Dubbed the "magnificent oval diamond", the stone was bought by a phone bidder at the Sotheby's sale.Read more
A white diamond the size and shape of a small egg has sold for a record $30.8m (£19.1m) at auction in Hong Kong. Dubbed the "magnificent oval diamond", the stone was bought by a phone bidder at the Sotheby's sale.