Authentic Amethyst Crystal Stone Rings. Handcrafted, artisan rings. Each of them is unique. Approximate product dimensions: Stone: 2 cm (Width) x 2 cm (Length) x 0.9 cm (Height) - Please note that these are raw, genuine gemstones and they may differ slightly in size, pattern and shape as you can see in the images. Each of them is unique. Size: Rings are adjustable and suitable for most of the sizes. ** More could be produced on order.