How can I tell if alexandrite is real?

You can tell if alexandrite is real by looking at the size and clarity of the stone. Large and clear alexandrite is extremely rare, which means finding a real one like this is doubtful. Synthetic alexandrites often contain spherical bubbles or tadpole inclusions. You’ll also want to check the color change, as real alexandrite changes from a greenish hue to something that’s reddish Shop a collection of alexandrite jewelry from some of the world’s top sellers on 1stDibs.