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

It is now the largest known Paraiba tourmaline of its kind ... Lumina holds global recognition for its rarity, uniting size, color, clarity, and cut in a way never before seen in the world ...

It is now the largest known Paraiba tourmaline of its kind: unheated, vividly saturated, and masterfully cut to ignite brilliance from every angle. Certified by Bellerophon, AGL, and Gübelin Gem Lab, ...