The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.

A nearly 10-carat blue diamond was sold at an auction in Switzerland on Tuesday for 20.5 million Swiss francs ($26.6 million) ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

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 ...

The Okavango Blue Diamond, a dazzling 20.46-carat stone, is more than just a beautiful jewel-it's practically a miracle of nature. Unearthed from the Orapa mine in Botswana, this rare gem has ...

Blue diamonds are among the rarest gems in the world. But all blues are not created equal and even in this rarified category a few stand out. On Friday I had the privilege of seeing such a gem up ...

GENEVA (AP) — A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ...

Blue diamonds shine with a particular allure within the cultural zeitgeist. From Titanic’s fictional “Heart of the Ocean” to the real-life, possibly cursed Hope Diamond, these hued gems have captured ...

Blue diamonds are a geologist’s best friend. At least according to a new study published today in the journal Nature. Diamonds—one of the most sought after gemstones in the world—have started wars and ...

Visitors to the American Museum of Natural History may be attracted by glitter, but scientists see more in the unusual stone. By David Belcher Few of the visitors who marvel at the Okavango Blue ...

Blue diamonds are among the most rare and valuable gems on Earth, but up until now, scientists knew very little about them. The most famous blue diamond is the Hope Diamond, which was discovered in ...

SACRAMENTO, Calif., Sept. 9, 2025 /PRNewswire/ -- Blue Diamond Almonds is launching into the future with a new logo and brand persona that evokes energy and excitement, aiming to capture the attention ...