<p>One of the world's rarest diamonds, about the size of an egg or a large lollipop, is going up for auction next month and is expected to fetch $12 million to $30 million.</p>.<p>Sotheby's said on Thursday that the 102.39-carat diamond, a flawless white sparkler, was the second-largest oval diamond of its kind to be offered at auction. The largest, a 118.28-carat diamond, set a record $30.8 million price when it was sold in 2013.</p>.<p>Only seven such diamonds, known in the trade as D color flawless or internally flawless white diamonds, over 100 carats have previously been sold at auction.</p>.<p>"More and more people have come to understand that something billions of years old and of the size of a lollipop can store as much value as a Rembrandt self-portrait or a Basquiat," Gary Schuler, worldwide chairman of jewelry at Sotheby's, said in a statement.</p>.<p>The diamond will be sold in a single-lot action without a reserve price at Sotheby's in Hong Kong on Oct. 5.</p>.<p>"Diamonds of this caliber and size have sold anywhere between $11.9 million to $33.7 million," said Quig Bruning, head of Sotheby's New York jewelry department.</p>.<p>Sotheby's said the gem was cut from a 271-carat rough that was discovered at the Victor Mine in the Canadian province of Ontario in 2018 and cut and polished for more than a year.</p>.<p>Two of the most famous large diamonds - the Koh-i-Noor and The Cullinan 1 - belong to the British monarchy and form part of the British Crown Jewels.</p>.<p>The world record for any diamond or jewel sold at auction was set in 2017 when a 59.60-carat fancy vivid pink diamond was sold for $71.2 million to the Hong Kong jewelry company Chow Tai Fook, Sotheby's said.</p>
<p>One of the world's rarest diamonds, about the size of an egg or a large lollipop, is going up for auction next month and is expected to fetch $12 million to $30 million.</p>.<p>Sotheby's said on Thursday that the 102.39-carat diamond, a flawless white sparkler, was the second-largest oval diamond of its kind to be offered at auction. The largest, a 118.28-carat diamond, set a record $30.8 million price when it was sold in 2013.</p>.<p>Only seven such diamonds, known in the trade as D color flawless or internally flawless white diamonds, over 100 carats have previously been sold at auction.</p>.<p>"More and more people have come to understand that something billions of years old and of the size of a lollipop can store as much value as a Rembrandt self-portrait or a Basquiat," Gary Schuler, worldwide chairman of jewelry at Sotheby's, said in a statement.</p>.<p>The diamond will be sold in a single-lot action without a reserve price at Sotheby's in Hong Kong on Oct. 5.</p>.<p>"Diamonds of this caliber and size have sold anywhere between $11.9 million to $33.7 million," said Quig Bruning, head of Sotheby's New York jewelry department.</p>.<p>Sotheby's said the gem was cut from a 271-carat rough that was discovered at the Victor Mine in the Canadian province of Ontario in 2018 and cut and polished for more than a year.</p>.<p>Two of the most famous large diamonds - the Koh-i-Noor and The Cullinan 1 - belong to the British monarchy and form part of the British Crown Jewels.</p>.<p>The world record for any diamond or jewel sold at auction was set in 2017 when a 59.60-carat fancy vivid pink diamond was sold for $71.2 million to the Hong Kong jewelry company Chow Tai Fook, Sotheby's said.</p>