Diamond News
The world’s largest blue diamond, the Oppenheimer Blue, is scheduled to go under the hammer at Christie’s...
Andrei VesselovskiThe world’s largest blue diamond, the Oppenheimer Blue, is scheduled to go under the hammer at Christie’s today. Named after British diamond entrepreneur Sir Philip Oppenheimer - a diamond dealer whose family owned diamond company De Beers - it's expected to rake in an £34.5 million. - http://bit.ly/1V8eGLi