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Exact Calibration

We specialize in highly precise calibration of diamonds. This includes:

  • Exactly calibrated small round stones down to 1/100mm
  • White brilliants from I-J/P1 to D-E/IF
  • Cut grades from good (India/Bangkok) to excellent (Russia/China)
  • Natural brown brilliants from light brown to dark brown (tlb-lb-chocolate)
  • Treated black brilliants
  • Color revealed brilliants
  • Exactly calibrated Princess-cut and Baguette-cut diamonds