Stunning Neon Blue Green Mozambique Paraiba Tourmaline. At 1.38 carats it measures 7.900 x 6.300 x 3.900mm, is Neon Blue Green, and is untreated. There are visible feathers, but no inclusions. Have not yet had the time or funds to send off for certification, and am selling at a discount until I am able to do so. In the meantime, enjoy! Stunning & rare, paraiba tourmaline is a glowing blue green gemstone found only three places in the world: Paraiba, Brazil where it was discovered in 1989, Nigeria, & Mozambique. Vivid Brazilian Paraiba Tourmaline is considered one of the rarest most expensive materials in the world, with stones over 1 carat so rare they start around $20,000/ carat. Tags: Levian Effy Luxury Pariba Tourmaline