Deep blue 1.89ct untreated Indicolite Tourmaline

This all natural tourmaline was sourced from Nigeria, and exhibits a gorgeous deep blue hue that really opens up in bright light. Its strong saturation and superior luster create a resting blue black color in low light, showing touches of london blue flashing, and revealing its full color palette in bright light. It is well cut with an excellent finish, and measures 14.2mm x 4.1mm x 3.2mm. Untreated!