Huge 22.94ct untreated black Tourmaline

This superb natural tourmaline exhibits full color saturation with a dark tone, with a silky diamond black hue. The combination of its tightly faceted emerald cut and twinkling superior luster makes this gemstone a natural choice for an elegant evening setting. It measures a very impressive 19.8mm x 13.5mm x 8.5mm, and is unheated. Sourced from Mozambique.