The Jwaneng, an internally flawless, D-color, 28.88-carat diamond unearthed in Botswana, carries an estimate of $2.2 million ...
A stunning, internally flawless, vivid blue 17.61 carat diamond aptly titled "Bleu Royal" was sold at auction last week for over $44 million to an anonymous purchaser. The jewel, set between two ...