4.50 Carat Natural Loose Bluish Green Tourmaline Asscher Cut Afghan Gemstone

Mined from the prestigious pegmatite fields of the Panjshir Valley, Afghanistan, this 4.50 Carat Natural Loose Bluish Green Tourmaline features an extraordinary, deep lagoon-teal hue that blends rich evergreen with cool ocean-blue secondary undertones. Precision-crafted into an architectural Asscher cut, its crisp square silhouette, broad clipped corners, and concentric step facets create a captivating "hall-of-mirrors" optical pattern, highlighting the gem's intense color depth and geometric symmetry. The gemstone boasts superior eye-clean clarity and exceptional crystal transparency, allowing light to flood fluidly through its 4.50-carat structure without dark extinction zones or cloudiness. Completely natural, unheated, and untreated, this investment-grade Afghan tourmaline pairs rare teal saturation with stately proportions, making it a sophisticated centerpiece for a bespoke signet ring, an modern East-West pendant, or an elite fine gemstone portfolio.

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