This exquisite natural aquamarine showcases the serene beauty of Madagascar's finest gemstones. Weighing 16.11 carats, this eye-clean stone features a captivating blue hue presented in a refined octagon cut that maximizes its luminous qualities. Measuring 20.5 x 12.3 x 8.5 mm, its generous proportions make it ideal for statement jewelry pieces. Completely unheated and untreated, this gemstone retains its authentic character and natural integrity, offering collectors and connoisseurs a rare opportunity to own a genuinely pristine aquamarine of exceptional quality.