Flawless Blue-Green Afghan Tourmaline – 11.13 Carat Octagon

Immerse yourself in the cool, tranquil depths of this 11.13-carat Natural Afghan Tourmaline. A true museum-grade specimen, this gemstone features a rare Blue-Green (teal) color profile that is highly sought after by collectors of fine tourmaline. Sourced from the legendary valleys of Afghanistan, this gem possesses a unique “open” color that glows with clarity and sophistication.

Masterfully faceted into a commanding octagon emerald cut, this stone measures an impressive 16.80mm in length, offering a grand architectural presence. It carries an Internally Flawless (IF) clarity grade, ensuring a “liquid” transparency and brilliance that is entirely free of inclusions even under high magnification. As an unheated (non-treated) gemstone, it remains exactly as nature intended, making it an exceptional investment-grade centerpiece for a world-class jewelry design.