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Untreated Concave-Cut Tourmaline 1.29 (CTO129)

Multicolor green Mozambique tourmaline
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Price:
$880.00
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1.29 Carat
Multi-Color-Green
Light 30-Medium 60
Free of Inclusions

Details:

GRADING REPORT CTO129

  • Identification: Natural Unheated & Untreated Tourmaline
  • Carat: 1.29
  • Shape: Rectangular Concave
  • Measures: 9.13x5.04x3.53 (millimeter)
  • Color Grade: Very Good
  • Tone: L30-M50
  • Color Zoning: Visible
  • Clarity: Free of Inclusions
  • Cutting Grade: Excellent (precision concave cut)
    • Brilliancy: 80%
    • Depth: 70%
  • Origin: Mozambique
  • Treatment: None

Certificate No: IGI 196584807

Overall Grade: Excellent

Comment: Exquisite and rare concave-cut: backside facets are not flat but bend inwards to increase reflections and produce other optical 3D effects (like liquid in motion). Color-wise this tourmaline reaches from sea-foam to grass green, all mixed and melting due to the in this case, especially suitable, cutting method. FYI: Not all shades and colors are thought to be valid options for concave cuts. Only 1.29 carats to pay for but 9x5mm upside-face to show and yet no window to bemoan. Also no inclusions, not even under the lens. Full IGI report. Fresh and lively gemstone, reminding of a meadow in spring-time. Big enough even for a delicate pendant.

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