TL;DR: An eye-clean diamond has no inclusions visible to the naked eye at normal viewing distance, even though inclusions are still present and visible under magnification. Most SI1 and many SI2 diamonds are eye-clean, making them excellent value — you pay considerably less than for VS or higher clarity while the difference is invisible in daily wear.
What Eye-Clean Actually Means
"Eye-clean" isn't an official GIA grading term — it's a practical description meaning a diamond's inclusions can't be seen without magnification, typically viewed at a normal distance (roughly arm's length) under regular lighting. The diamond still has inclusions; they're simply too small or too well-positioned to be visible without a loupe.
Which Clarity Grades Are Usually Eye-Clean
VS2 and above are almost always eye-clean. SI1 is frequently eye-clean, particularly in shapes with brilliant faceting that disperses light and hides inclusions well. SI2 is more variable — some stones are genuinely eye-clean, others show a visible inclusion, so assessment of the specific stone matters more here than the grade alone.
Why This Matters for Value
The price difference between VS2 and SI1 can be substantial, while the visual difference to the naked eye is often nothing at all. Choosing a genuinely eye-clean SI1 or SI2 over a VS2 or higher grade is one of the most effective ways to get more size or better colour for the same budget.
Shape Affects Eye-Cleanliness
Brilliant-faceted shapes (round, cushion, radiant) hide inclusions more effectively than step-cut shapes (emerald, Asscher), which show inclusions more readily through their larger, flatter facets — meaning a step-cut stone generally needs a higher clarity grade to achieve the same eye-clean result.
Choosing an Eye-Clean Stone at À Vie Diamonds
We assess the specific stone, not just the grade on paper, and can show video before you commit to confirm it's genuinely eye-clean. Get in touch to discuss.
Frequently Asked Questions
What is an eye-clean diamond? A diamond with no inclusions visible to the naked eye at normal viewing distance, even though inclusions are present under magnification.
Is SI1 clarity eye-clean? Frequently, yes — particularly in brilliant-faceted shapes. SI2 is more variable and depends on the individual stone.
Last reviewed: July 2026 · À Vie Diamonds