Oppenheimer Blue

The Oppenheimer Blue is a 14.62-carat (2.924 g) vivid blue diamond that in May 2016 became the most expensive jewel ever sold at auction, until April 2017 when it was surpassed by the Pink Star diamond.

Oppenheimer Blue

The Oppenheimer Blue is a 14.62-carat (2.924 g) vivid blue diamond that in May 2016 became the most expensive jewel ever sold at auction, until April 2017 when it was surpassed by the Pink Star diamond.