Klein said the diamond is “the largest D flawless ever to be brought to auction in the history of auctions,” and could sell for more than $30 million, calling it a “conservative” figure. U ...

The 163-carat diamond, thought to be the largest-ever diamond mined in Angola, is expected to sell for $25 to $35 million U.S. dollars — the equivalent of 30 $1 million homes, 600 brand new 2017 ...