Unique and rare sapphire with a color change. At daylight the stone is blue, but in artificial light changes the colour to purple. Especially valuable is that this optical effect is the merit of nature. The sapphire has not undergone any refining techniques, which confirms the GIA certificate. Natural stone and stunning color are not the only characteristics that increase the cost of the sapphire, should be said about the origin of this gem is Sri Lanka. On the world market of precious stones, the origin and specific fields strongly affect the formation of the appraised value of the stone. So for sapphires of Ceylon origin is a brand. This rare specimen was collected in all the key features inherent in precious stones with investment potential. The original cut and an impressive weight of 3.45 carats this purple sapphire is perfect for creating rings according to individual order.