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 ...

A 7.59-carat round fancy vivid blue diamond is being offered as the top lot in Sotheby’s Hong Kong Magnificent Jewels and Jadeite sale scheduled for October 7 at the Hong Kong Convention and ...

On Tuesday, Botswana premiered a blue diamond that could outstrip the storied Hope Diamond: the 20.46-carat, close-to-flawless Okavango Blue.