The most expensive diamond ever sold continues to be the 59.6-carat CTF Pink Star, which sold in 2017 for $71.2 million, according to Sotheby’s. Contributing: The Associated Press Featured Weekly Ad ...

A pink diamond closed at auction for $57.73 million in Hong Kong Friday night, the most expensive diamond per carat ever sold.. The 11.15-carat Williamson Pink Star diamond sold at a Sotheby’s ...

Seriously expensive sparkly rocks. ... This glorious 9.14-carat pink diamond sold for over $18 million at Christie’s Geneva in 2016. That's around $24 million in today's money.

The Pink Star is the most expensive diamond in the world, sold for $83 million. Known for its vivid pink colour and flawless clarity, this gemstone dazzled the world at a Sotheby’s auction.

The current record for the most expensive diamond or any gemstone sold at auction is held by the CTF Pink Star, a 59.60-carat oval mixed-cut diamond auctioned at Sotheby’s Hong Kong in April ...

The most expensive pink diamond is the CTF Pink Star, which sold for $71.2million in 2017 to Hong Kong jewelers Chow Tai Fook. The highest per-carat auction price belongs to the Williamson Pink ...

The lofty estimate may have reflected the performance of an 11.15-carat diamond known as the Williamson Pink Star, which fetched US$5.1 million per carat for a total US$57.7 million in October in ...

In fact, it could even eclipse the Pink Star, an internally flawless 59.6-carat pink diamond that sold for a record $83 million in 2013. (It remains the world’s most expensive pink diamond.) ...

Explore the world's most expensive diamonds like the priceless Kohinoor, the $400M Cullinan, and the legendary Hope Diamond.