The gem has been popular since antiquity and is ... that would price this painite at $10.67 million to $12.8 million. The extremely rare blue diamond gets its color from traces of the mineral ...

Geneva — An exceptionally rare blue diamond went under the hammer ... the Bleu Royal is the largest internally flawless fancy vivid blue gem ever to appear for sale in auction history.

The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry Auction this May, on ...

In a sea of jewels, one particular stone has been stealing the show. A rare 10-carat Mediterranean blue diamond from South Africa was on display in an exhibit featuring $100 million worth of the ...

Its distinctive blue coloration comes from crystallization processes and the presence of a mineral called sylvinite. It is hand-mined from ancient mines in the mountains of Iran, whose deposits ...

Rare gemstones like Alexandrite ... of water.4. BenitoiteCalifornia is the primary location for this uncommon blue gemstone. Benitoite is prized for its brilliance, which is frequently likened ...

While you may have heard of precious gems like diamonds and sapphires, did you know that Nigeria is home to some unique and rare gemstones ... Benitoite is a striking blue gemstone, often referred ...

A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi. The eight diamonds on display ...