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 new report from the Natural Diamond Council highlights the rarity and evergreen esteem of these vibrant gems.

Few of the visitors who marvel at the Okavango Blue Diamond on display at the American Museum of Natural History in New York will see a history lesson in geology and plate tectonics in its 20.46 ...

A platinum ring centered with a 19.14-carat emerald-cut diamond with D-color and VS1 clarity. The main stone is flanked by several baguette-shaped diamonds. Its estimate is $700,000 - $1 million.