Alexandrite market statistics

Alexandrite

  • Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light)
  • Hardness: 8
  • Refractive index: 1.74 - 1.77
  • Density: 3.68 - 3.80
  • Chemical composition: BeAl2O4
  • Crystal structure: orthorhombic
  • Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India.

Alexandrite is a color changing varietal of Chrisoberyl. Stones with a strong color change effect are more valuable and represent the most expensive gemstones. Alexandrites are generally not treated.


 

The figures are based on Gemval's aggregated valuation statistics for the retail market. Irrelevant, controversial or repeat data are excluded from our analysis wherever possible. The figures are updated monthly.

Weight distribution for Alexandrite

Occurrence is represented in % for different weight categories.

Price distribution for Alexandrite

Occurrence is represented in % for different value intervals.

Clarity distribution for Alexandrite

Occurrence is represented in % for different clarity grades.


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