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Colored Stone Grading System

…VS – Very Slightly Included Minor inclusions that are easier to see using 10X, but still not visible to the naked eye. SI1 – Slightly…

Emerald Quality Simplified

…with some type of inclusions. AA- can’t have black inclusions but may show AA quality with some white inclusions. However, these white…

Ruby Buying Guide

…are stones that are clarity graded VS (very small inclusions) but still “eye clean” to SI (small inclusions) which may very well…

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