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  : : Clarity Scale
Échelle de Clarté des pierres précieusesEscala de claridad de piedra preciosa

GemSelect uses the following clarity scale when grading gemstones:

IF Loupe Clean - internally flawless; free of inclusions.
VVS Almost Loupe Clean - very, very slight inclusions; inclusions barely seen under 10x magnification.
VS Eye Clean - very slight inclusions; inclusions can be seen under 10x magnification.
SI Slightly included - small inclusions can be seen with the naked eye.
I1 Included - inclusions can be seen with the naked eye.
Transparent A gemstone having the property of transmitting light without serious diffusion / may have rutile or other inclusions.
Translucent Allowing light to pass through, but not transparent.
Opaque Does not allow light to pass through.
  • First Published: April-04-2006
  • Last Updated: May-27-2014
  • © 2005-2014 GemSelect.com all rights reserved.
    Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.
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