The Kat Florence Lumina, recognised as the world's largest flawless Paraiba tourmaline, is heading to auction at Bonhams Hong ...

The history of this rare stone is documented in Paraiba: The Legacy of a Colour, written by Kevin Ferreira, a gemmologist and specialist in this specific tourmaline through his family’s ...

TORONTO, April 3, 2025 /CNW/ - The Kat Florence Lumina, a flawless 181.61-carat Paraiba tourmaline, is completing its global debut tour with final exhibitions across Asia before making its way to ...