Diamond Clarity Guide: Understanding Clarity Grading
Clarity measures the presence of internal and external imperfections, known as inclusions and blemishes. Higher clarity diamonds are more transparent, rare, and valuable. When buying an engagement ring, understanding how clarity affects the final price tag is the ultimate key to maximizing your budget.
Common Clarity Grades: From Flawless to Included
- FL (Flawless): No internal or surface flaws visible under 10x magnification. Extremely rare and highly expensive.
- IF (Internally Flawless): No internal flaws, though minor surface blemishes may exist under magnification.
- VVS1 & VVS2 (Very, Very Slight Inclusions): Tiny inclusions visible only to skilled graders under magnification, nearly 100% invisible to the naked eye.
- VS1 & VS2 (Very Slight Inclusions): Small inclusions, usually invisible to the naked eye. This is widely considered the “sweet spot” for smart buyers.
- SI1 & SI2 (Slight Inclusions): Noticeable under magnification, and some inclusions may be visible to the naked eye depending on the diamond’s shape.
- I1–I3 (Included): Obvious inclusions visible to the naked eye, heavily affecting the stone’s overall brilliance and appearance.
Diamond Clarity Grading Chart (VVS to SI)
| Grade | Tier | Inclusions under 10x Magnification | Visibility to the Naked Eye | Value/Quality Note |
|---|---|---|---|---|
| VVS (Very, Very Slightly Included) | VVS1 | Minute inclusions; extremely difficult for a skilled grader to detect. | Eye-clean. | Top-tier quality; visually flawless but slightly less expensive than FL/IF grades. |
| VVS2 | Minute inclusions; very difficult to detect. | Eye-clean. | Slightly more inclusions/visibility than VVS1, but still incredibly pristine. | |
| VS (Very Slightly Included) | VS1 | Minor inclusions that range from difficult to see. | Eye-clean. | Highly popular “sweet spot” for engagement rings offering brilliance and value. |
| VS2 | Minor inclusions that are slightly easier to see under magnification. | Eye-clean. | Generally eye-clean, but occasionally sits on the cusp of an SI1 grade. | |
| SI (Slightly Included) | SI1 | Noticeable inclusions that are fairly easy to see under magnification. | Usually eye-clean, though some may have visible flaws. | Best value if you carefully inspect the diamond to find a fully “eye-clean” stone. |
| SI2 | Prominent inclusions that are easy to see under magnification. | Often visible to the naked eye. | Best for tight budgets, but clarity plots and visual checks are a must. |
Key Factors That Affect Diamond Clarity
When gemologists evaluate a stone’s clarity grade, they look at five critical factors:
- Size: Larger inclusions have a greater impact on the clarity grade and light performance.
- Number: Multiple microscopic inclusions can block light, reducing the diamond’s overall sparkle.
- Location: Flaws located directly under the table (the center of the diamond) are much more noticeable than those near the perimeter (girdle).
- Type: Different types of inclusions (such as pinpoints, feathers, or dark crystals) affect the visual impact and structural integrity differently.
- Color: White or translucent inclusions are much harder to spot with the naked eye than dark carbon spots.
How Clarity Affects Price: Lab-Grown vs. Natural
In natural diamonds, jumping from a VS2 to a VVS1 grade can cause the price to skyrocket exponentially. However, with lab-grown diamonds, the price gap between clarity grades is much narrower because the growth environment is highly controlled.
Because clarity directly dictates the cost of your jewelry, you shouldn’t guess your budget. To see how different clarity grades affect your budget in real-time, you can use a lab grown diamond calculator to compare prices instantly.
Estimate your stone value now: Use our interactive Diamond Price Estimator to check real-time pricing for VVS/VS diamonds.
Check Real-Time Prices: Don’t overpay for clarity grades you can’t even see. You can use our interactive Diamond Price Estimator to compare VVS and VS diamond prices instantly based on current market values.
Smart Buyer Tips for Engagement Rings
- Aim for “Eye-Clean”: Most buyers choose VS1 or VS2 grades for excellent value. These diamonds are “eye-clean,” meaning their flaws are virtually invisible to the naked eye, allowing you to save money to spend on a higher Cut grade or a larger Carat size.
- Consider Diamond Shape: Step-cut shapes like Emerald or Asscher cuts have large, open tables that make inclusions more visible. For these shapes, upgrading to a VVS2 or VS1 is safer. For brilliant cuts like Round or Oval, an SI1 or VS2 is often perfectly clean to the naked eye.
- Trust the Certificate: Always make sure your stone comes with a verified diamond certificate from reputable labs like IGI or GIA to confirm the clarity grade is accurate.

Summary
While clarity heavily affects a diamond’s transparency and value, it shouldn’t eat up your entire budget. For maximum visual brilliance, selecting a mid-range clarity grade (like VS2) wrapped in a classic setting offers the absolute best balance of premium appearance and affordability.
Ready to test your knowledge? You can easily build a custom solitaire diamond ring on our platform, pick your exact clarity grade, and see the stunning results instantly!al brilliance, a mid-range clarity grade often provides the best balance of appearance and affordability.