Behold this remarkable 0.91-carat natural alexandrite, a treasure prized for its extraordinary chromatic transformation. Watch as this trilliant-cut gemstone shifts from verdant green in natural light to rich crimson under warm illumination—a phenomenon that has captivated gem enthusiasts for centuries. Precisely measured at 6.6 x 5.5 x 3.5 mm, it presents VS clarity with inclusions detectable only under magnification. Entirely untreated and unheated, this pristine specimen embodies the rarest qualities of alexandrite's legendary color-change property. An exceptional addition to any refined collection.