We have a 3.89 carat natural alexandrite gem stone. Color change-greenish yellow to pinkish brown. It is a sri lankan mine alexandrite. Very rare in nature. The price is 12.5 lakhs per carat. If u are interested kindly contact us at prem3mg@gmail.com or 8522916386. This is prem vignesh from hyderabad. Thank u. negotiations are entertained! genuine buyers are allowed!