Natural Sphalerite 7.57 ct – Oval Cut, Untreated

This 7.57 carat natural sphalerite displays an intense orange hue with fiery brilliance, cut into an oval shape measuring 12.80 × 10.65 × 6.40 mm. Known for its extraordinary dispersion, sphalerite can exhibit fire that surpasses even that of diamond under the right lighting conditions. With slight inclusions typical for this gemstone, it maintains strong transparency and sparkle. Untreated and naturally formed, this large sphalerite is a remarkable collector’s piece, valued for its rarity, vivi