Natural Cobalt Spinel 1.25 ct – Pear Cut, Untreated, GIA Certified, Tanzania

This natural cobalt spinel weighs 1.25 carats and is cut in a refined pear shape , measuring 8.17 × 5.80 × 3.87 mm . The gemstone displays a vivid and highly desirable blue hue , characteristic of fine cobalt spinels from Tanzania . Certified by GIA , it comes with independent verification of its authenticity and natural properties. The stone is confirmed as unheated and untreated (no indications of enhancement), preserving its original character and rarity. With calibrated dimensions, excellent