This remarkable 15.24-carat natural blue aquamarine exemplifies refined gemstone artistry and authenticity. Fashioned with a smooth cabochon finish in an elegant heart shape (16.5 x 14.5 x 8.8 mm), the stone displays a captivating semi-opaque blue that evokes tranquility and depth. Entirely unheated and untreated, it retains its natural integrity—a hallmark of superior quality for the most discerning jewelry designers. Perfect for creating heirloom pieces of enduring sophistication and genuine beauty.