From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...

Diamonds aren't always colorless; they can also be blue, yellow, green and even pink. But what makes these jewels come in varied hues? After forming, diamonds need to rise to the surface very quickly ...

On Wednesday, a blue diamond at a Hong Kong auction house achieved one of the highest prices for any diamond on the open market. The "De Beers Blue" diamond sold for $57.5 million, Sothebys auction ...

The De Beers Blue, a 15.10-carat internally flawless step-cut Fancy Vivid Blue diamond fetched $15.4 million at auction. The De Beers Blue, the largest vivid blue diamond ever to appear at auction, ...

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 ...

Sotheby’s is set to auction the De Beers Cullinan Blue Diamond in April during its Hong Kong Luxury Week sales, starting at an estimate of $48-million. The 15.10-carat step-cut diamond is the largest ...

The rare diamond went up for auction in Geneva on Tuesday One of the world’s rarest blue diamonds has sold for nearly $44 million at an auction. The “Bleu Royal” diamond set upon a ring went under the ...

Blue diamonds are considered the rarest and most desired on the market. A particularly big one sold for millions at Sotheby’s on Thursday, scraping just beneath the surface of its $26 million ...

— Recommendations are independently chosen by our editors. Purchases you make through our links may earn us and our publishing partners a commission. Blue Nile Diamond Tennis Bracelet In 14k White ...

Africa-focused Petra Diamonds (LON: PDL) has unearthed an ultra-rare blue diamond weighing just under 42 carats at its Cullinan Mine in South Africa, a discovery that could sell for as much as $40 ...