Alexandrite
Alexandrite is a rare color-changing chrysoberyl gemstone, prized in the minerals category for its dramatic shift from green in daylight to red under incandescent light.
Fun Fact
The largest faceted alexandrite ever mined, at 65.7 carats, is housed in the Smithsonian Institution .
Price History
More in Nature
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Fossil Tyrannosaurus Rex Skeleton (Stan)
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Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.
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Hope Diamond
A 45.52-carat deep blue diamond with a legendary curse.
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Gold Bar (400 oz)
A standard 400 troy ounce gold bar, the kind stored in Fort Knox.