Discover the serene beauty of this exceptional 10.87-carat natural aquamarine from Madagascar. Cut into a refined octagon shape measuring 17.6 x 11.3 x 7.7 mm, this gemstone showcases a captivating blue hue with eye-clean clarity. Completely unheated and untreated, it represents the pure essence of aquamarine's timeless elegance. Perfect for the discerning collector or as a centerpiece for bespoke jewelry, this faceted treasure embodies authentic gemstone quality and sophisticated charm.