Alexandrite is graded based on its color change, clarity, cut, and carat weight. The most important factor is the strength and quality of the colour change; the more distinct and dramatic the change, the more valuable the stone.
Alexandrite is graded based on its color change, clarity, cut, and carat weight. The most important factor is the strength and quality of the colour change; the more distinct and dramatic the change, the more valuable the stone.