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Untreated Madagascar Aquamarine 2.66

round brilliant Aquamarine without treatments
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2.66 Carat (sold)
Pool Green Blue
Medium 50
Free of Inclusions



  • Identification: Natural Unheated & Untreated Aquamarine
  • Carat: 2.66
  • Shape: Brilliant Round
  • Measures: 8.96x8.75x6.62 (millimeter)
  • Color Grade: Excellent
  • Tone: M50
  • Color Zoning: None
  • Clarity: Free of Inclusions
  • Cutting Grade: Excellent
    • Brilliancy: 90%
    • Depth: 75%
  • Origin: Madagascar
  • Treatment: None

Certificate No: GCI161BRB0182

Overall Grade: Excellent

Comment: Pool colored unheated aquamarine mixing green and blue with a visible tilt into blue. 100% blue in aquamarine is always the result of treatments and has become less and less popular over the last years. The crystal of this beauty glows with that liquid character so unique in aquamarine, once seen - never forgotten. Two and a half carat of low density beryl make for a significantly sized gemstone with almost 9mm round. Though a few decades old, the cut is precise with optimal dimensions and no window or belly. No inclusions can be found under the lens, however, a close-up study shows you the fine parallel channels or fibers that are the reason for the liquid glow in all aquamarine (when these fibers get thicker they may produce cat's eye aquamarine). Please ignore the 'dirty' shades in the handshot where skin touches the stone's back. Set in cold white gold or platinum this gem will turn heads with its elusive yet intense gleam of green and blue. As you may notice my images are shot from a slight angle because every straight image is drowned in its mirror-like luster.

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