For faceting rough we grade in the following categories:

Clean - meaning VVS-IF which is the term we use to be safe to describe flawless as even under a microscope at x 500 nothing is clean.

Eye Clean - no visible inclusions to the unaided eye - meaning VS-VVS, no cracks, only very very minor inclusions that will cut a VS-VVS stone.

Slightly Under Eye Clean - Si only (Slightly Included) or very slight inclusions.

Included - (I) visible inclusions by the naked eye if you put it up to show transparency. May have cracks and inclusions including silk and spots as well as internal crystals.

Cab Grade - Included but Transparent. 

$1 Days
$2 Hours
$3 Minutes
$4 Seconds
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