3.46-carat Marquise Cut Neon Blue Paraiba Tourmaline | AIGS CertifiedWhat defines a color that holds its intensity across form? This 3. 46 carat tourmaline presents a saturated neon blue, distributed evenly along its elongated structure. The tone remains consistent, with a defined brightness that gives the stone a clear visual identity. Shaped in a marquise cut, the extended silhouette creates directional light movement, allowing the color to stretch across the length of the stone. The faceting supports this structure,