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

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 ...

Purely Paraiba, in 2021. Since then, the neon blue gem has become ubiquitous and prices have rocketed. Through her gem portfolios, Hangartner works with clients to use gemstones for wealth ...