(IDEX Online) - A 181.61-carat gem described as "the world's largest flawless Paraiba tourmaline" is to be auctioned at ...

In 2025, with the original crystal still uncut, Don's wife, world-renowned jewelry designer Kat Florence ... It is now the largest known Paraiba tourmaline of its kind: unheated, vividly saturated ...

The Kat Florence Lumina, a flawless 181.61-carat Paraiba tourmaline, is completing its global debut tour with final exhibitions across Asia ...