Natural Cobalt Spinel 1.25 ct – Pear Cut, Untreated, GIA Certified, Tanzania amethyst the stone shows indication of

the stone shows indication of heating

and certified authenticity make it a refined yet accessible gemstone

59 ct lot includes three natural peridots in a matching bright green hue: two oval cuts and one pear cut

Its natural color

68 ct Tsavorite Ring

Natural Cobalt Spinel 1.25 ct – Pear Cut, Untreated, GIA Certified, Tanzania amethyst the stone shows indication ofThis 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