3.57 carats Neon Blue Natural Paraiba Tourmaline | HeartThis Paraiba tourmaline presents a neon blue hue with strong brightness. The tone is clean and well defined. Its saturation remains vivid across the face of the stone. Light reflects evenly across the faceted surface. The heart cut supports both brightness and internal depth. The color remains lively and well focused under changing light. The proportions create strong visual presence while maintaining balance. Weighing 3. 57 carats, the gemstone