Embrace the luminous allure of this 5.62-carat natural rainbow moonstone, a pristine octagonal gem from Madagascar's celebrated mining regions. Skillfully faceted to maximize the stone's enchanting optical effects, this untreated moonstone showcases the delicate interplay of colors that defines the species. Measuring 12.2 x 9.0 x 8.2 mm with naturally occurring slight inclusions, it represents an authentic choice for fine jewelry design and serious gemstone enthusiasts.