An unnamed buyer paid $15.7 million for a flawless, colorless gem, unearthed in Northern Ontario two years ago.
The stone, found in the now-closed Victor Mine in Northern Ontario, was cut from a 271-carat rough diamond and is considered to be as close to a perfect naturally occurring diamond.
The bidding on the stone started in an online auction last month, and on Monday, it ended with an in-person auction at Sotheby’s in Hong Kong.
The unknown buyer bought the stone for his second daughter and renamed it after her, The Maiko Star.
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