25/10/2025
The GIA laboratory in Botswana has examined an extraordinary 37.41 ct pink-and-colorless bicolor rough diamond, reportedly from the Karowe mine - home to some of the world’s most remarkable gems.
This rare find, with distinct colorless and pink sections, may reveal clues to diamond formation across two different geological events.
Read more: https://thenewjeweller.com/news/Technology/gia_extraordinary_diamond.html