Behold the architectural elegance of this 2.21-carat natural sapphire, featuring a captivating blue tone in a refined octagon cut. Measuring 8.0 x 6.5 x 5.1 mm with meticulous faceting, this gemstone showcases geometric precision and exceptional light performance. Naturally occurring inclusions underscore its genuine character, while heat treatment amplifies the stone's vivid color and crystalline brilliance. Perfect for distinctive engagement rings, heirloom-quality pieces, or connoisseurs seeking a substantial sapphire with architectural beauty and lasting value.