Here is a $13,000 Natural Color Changing Alexandrite and Diamond Ring in 14k Gold. This is part of a collection of estate jewelry that will be auctioned this week. Alexandrite is a Magical and Rare Gem that changes color in different light. This changes from a crisp bluish green to purple to a cranberry red color. The center stone is approximately .50Ct and it is surrounded by white round brilliant Diamonds. Alexandrite is the June Birthstone. This would make a wonderful Birthday or Anniversary gift for her. If you have always wanted to find her a Natural Alexandrite- you won't want to miss this auction. The ring is size 7 and it will be sized free upon request of the winning bidder. This has a retail replacement cost of $13,000 and it will be auctioned to the highest bidder at $1 No Reserve.