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 sale ...

Video. Geneva’s November auctions will showcase the 9.51-carat “Mellon Blue” diamond, a Fancy Vivid Blue gem valued at up to $30 million, alongside the Glowing Rose pink diamond and historic jewels ...

Long before they’re polished and set in gold, the world’s greatest gems sleep beneath mountains, rivers, and deserts. Their origins are as captivating as their glow: volcanic depths, ocean floors, and ...

A vivid blue diamond once owned by White House Rose Garden designer Bunny Mellon sold for over $25 million at Christie’s Geneva auction.

The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been pulled from the May 14 Christie’s Geneva Magnificent Jewels sale. If it went to auction it would have been the largest fancy vivid ...

Back in the day people were more relaxed about moving precious stones around the world. Consider, for example, the low-key arrangements for the famous Jonker diamond, which was shipped by ordinary ...

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 that can't be found anywhere else in the world? Let's explore ...