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1.70 carats Midnight Blue Sapphire



Midnight blue sapphire of 1.70 carats. This very dark blue sapphire appears almost black  in some lights – and shows deep  blue when tilted in daylight.

    Gemstone Information:

  • Weight: 1.70 Ct.
  • Origin: Australia.
  • Color: Blue.
  • Treatment: Simple Heat Treatment.
  • Shape: Oval.
  • Measurements: 8.9mm x 7mm x 3.1mmmm.
  • Minimum Colour: Deep.
  • Minimum Clarity: Eye Clean.
  • Cut Grade: Excellent.
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