Clarity Grades

All our gems are accurately graded for clarity by our expert staff, using the following clarity grades:

Loupe Clean: when examining the gem using a 10x magnification loupe the stone is inclusion free.
Almost Loupe Clean: when examining the gem using a 10x magnification loupe the gem may have some small inclusions that can only be seen using 10x magnification.
Eye Clean: any inclusions inside the gemstone are not visible without magnification.
Almost Eye Clean: inclusions are difficult to see with the naked eye and do not detract from the beauty of the gem in any way.
Very Very Slightly Included:  the gemstone has small inclusions inside that are hard to see, or can only be seen from certain angles, with the naked eye.
Very Slightly Included:  the gemstone has small inclusions that are visible with the naked eye only on close inspection.
Slightly Included:  the gemstone has small inclusions that are visible to the eye but not easily seen.
Moderately Included: the gemstone has more pronounced inclusions that are visible to the naked eye.
Included:  the gemstone has many visible inclusions.


Important notes:

  • These clarity grades are used only for transparent gems. Non-transparent gems are graded Translucent or Opaque.

  • Clarity grading is done when examining loose unset gemstones. Setting gemstones often hides many if not all of the inclusions.

  • Clarity standards vary for different types of gemstones. For example, Burma Ruby is usually much more included than Blue or Yellow Sapphire and Rubellite Tourmaline is commonly much more included than other Tourmalines.

For more information on clarity, please see our article on Clarity Grading for Colored Gems

 
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