This 8.82-carat cushion-shaped alexandrite shows nice color change. Its large size is rare for this stone.
This alexandrite has stunning color change with intense colors, and very clean clarity. It’s an oval mixed cut, which is common for alexandrite. - Courtesy Evan Caplan Fine Gemstones
Cat’s-eye alexandrite, with beautiful chatoyancy along with color change, is extremely rare.
This color-change alexandrite has low saturation in both its green and red colors, making it slightly brownish and less desirable. - Alan Jobbins