Diamonds, rare colored gems and signed jewels from important private collections fueled Sotheby’s High Jewelry auction in New York on Friday. The top lot of the sale, as expected based on pre-sale ...

A rare bi-colored pink diamond of “astounding weight” was found at the Karowe diamond mine in Botswana, according to the Gemological Institute of America. Lucara Diamond A rare rough, or uncut, pink ...

Fancy colored diamonds made their mark at Christie’s Magnificent Jewels sale, held Tuesday in New York. The top lot of the sale was “The Eden Rose,” a 10.2-carat internally flawless round brilliant ...

In the world of high jewelry, it doesn’t get much bigger—or pricier—than rare colored diamonds, and on Tuesday, Christie’s announced the sale of the Eden Rose, a 10.2-carat pink diamond. The gemstone, ...

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 world ...

"These include large, colorless diamonds in both round and fancy cuts, ranging from 3 to 10 carats, as well as a selection of rare fancy-colored diamonds," the company informed MOSCOW, March 17. /TASS ...

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 at the ...