7.06 Ct Natural Alexanderite


Item Information

Dimensions (mm) 11.71 x 8.81 x 7.09mm
Weight (carats) 7.06 carats
Certified Gemstones
  • Faceted
  • No Treatment


Alexandrite, with its chameleon-like qualities, is a rare variety of the mineral chrysoberyl. Its color can be a lovely green in daylight or fluorescent light, changing to brownish or purplish red in the incandescent light from a lamp or candle flame. This is a result of the complex way the mineral absorbs light.

Alexandrite’s dramatic color change is sometimes described as “emerald by day, ruby by night.” Other gems also change color in response to a light-source change, but this gem’s transformation is so striking that the phenomenon itself is often called “the alexandrite effect.