Natural Amethyst 6.40 ct – Purple, Octagonal Cut, Untreated

This 6.40 carat natural amethyst features a sharp octagonal cut and a vivid purple hue, creating a clean and sophisticated look. Eye clean and untreated, it’s ideal for elegant custom jewelry that values geometry and color harmony. Comes with a standard seller’s certificate; GIA or IGI certification available upon request for an additional fee.