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This 1.016 carat natural alexandrite from Madagascar displays the coveted and dramatic color change from vibrant green in daylight to rich red under incandescent light—one of the rarest and most desirable phenomena in fine gemstones. Expertly fashioned in a precision pear cut, this loose alexandrite offers exceptional brilliance, symmetry, and dynamic light return while maximizing its remarkable color-shifting properties. Completely untreated and over one carat in size, this collector-grade color change gemstone is an extraordinary choice for a custom alexandrite engagement ring, heirloom pendant, or bespoke fine jewelry design. Highly sought after by jewelers and gemstone collectors alike, natural Madagascar alexandrite of this caliber represents both rarity and timeless investment beauty.