This is most unique gemstone in the world - color changing alexandrite. Do you want to surprise with a truly unique gift? Alexandrite - the legendary color-changing gemstone - is now available in its best quality in size of 6mm round brilliant cut, faceted and polished by-the-book. Alexandrite is changing its colour due to famous ability which only exists in real chrysoberyl alexandrite stones. It will appear to you mostly green in daylight , when you turn it around or move it you will see…