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Untreated Ceylon Alexandrite 5.01 (ALE501)

giant green to orange alexandrite certified
more images
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5.01 Carat
Color Changer
Medium Dark 70
Lightly Included



  • Identification: Natural Unheated & Untreated Alexandrite
  • Carat: 5.01
  • Shape: Rectangular Cushion
  • Measures: 10.15x8.01x6.94 (millimeter)
  • Color Change: Ivy Green to Pink Ochre (good)
  • Tone: MD70
  • Color Zoning: None
  • Clarity: Lightly Included
  • Cutting Grade: Very Good
    o Brilliancy: 75%
    o Depth: 86%
  • Origin: Sri Lanka (Ceylon)
  • Treatment: None

Certificates No: AGL Prestige CS 66525, AIGS 10050069 and BIG 013079 (see more images)

Overall Grade: Very Good+

Comment: This Alexandrite is obviously remarkable in size (above 1 ct is BIIIG in Alex) and clarity (nothing to see for the eye). Only under the lens (and on 36mag images) a veil of colorless bubbles becomes visible and vouches for its natural origins. The gem changes from ivy green at day into pinkish ochre at night. Rare pedigree with most alexandrites today coming from India or Brazil. With just over 5 carats a serious world-class gem. Beautiful especially in mixed light, with golden sparks in grass green. Lots of dense fire and internally always in motion, changing and transcending through light and time. Three congruent lab reports have been made over the years, each new owner upgrading the last: AGL Prestige Report from us, AIGS and BIG report done before. Perfect in shape and dimensions. 3Nos quality: No inclusions visible without lens (extra rare in this size), no window, no treatments. A powerful gemstone character for the collector or high end jewelry. Delivers a constant discovery of new colors and tones. Such a gem will continue to surprise even after decades; and pass true value to future generations. Ringsizes over 6 or pendant.  

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