Experience the captivating allure of this natural blue-green tourmaline, weighing 7.70 carats. Expertly cut into an elegant emerald shape, it measures 17.41 x 7.75 x 5.64 mm. The gemstone features a striking blue-green hue, enhanced by a brilliant/step cut that maximizes its brilliance. Heat-treated to optimize its color and radiance, this sapphire is a stunning addition to any fine jewelry collection, exuding sophistication and timeless beauty.