The “best” diamond clarity is usually not the highest grade, but the lowest grade that still looks perfectly clean to your naked eye (often around VS2–SI1 for many people and ring styles).

What “clarity” really means

Diamond clarity describes how free a stone is from internal flaws (inclusions) and external blemishes, graded from Flawless (FL) down to Included (I3).

Flawless diamonds have no inclusions or blemishes visible even at 10x magnification, which makes them rare and very expensive, but they do not look dramatically different from lower-clarity stones once they are “eye-clean.”

Highest grade vs best clarity

From a lab perspective, the top clarity grades are: Flawless (FL), Internally Flawless (IF), then VVS1, VVS2, VS1, VS2, SI1, SI2, and I1–I3.

Professionally, FL and IF are the best clarity grades on paper, but for buyers the sweet spot is usually VS2 or SI1, because these often look just as clean to the eye as a Flawless diamond at far lower cost.

The real “best” clarity for most buyers

Most experts recommend:

  • VS2 or SI1 as the best value in clarity, because they are typically “eye-clean” but much cheaper than very high grades.
  • Some SI2 stones can also look eye-clean, but you must inspect them individually, as visibility of inclusions varies a lot at that level.

In other words, the best clarity for most shoppers is the lowest clarity grade that still looks totally clean from normal viewing distance, not necessarily FL or IF.

How size, shape, and setting change the answer

What counts as “best” clarity changes with design details:

  • Larger diamonds (around 1.5 carats and up) tend to show inclusions more, so many jewelers suggest VS2 or better for big stones.
  • Brilliant cuts (like round and princess) hide inclusions better, so you can often go lower in clarity than with step cuts such as emerald or Asscher, which have open, mirror-like facets that show inclusions more easily.

Settings matter too:

  • Halo or intricate settings can help distract from minor inclusions.
  • Simple solitaires put the stone “on stage,” so a slightly higher clarity may be worthwhile.

Quick buying rules of thumb

  • If budget is tight: start your search around SI1–SI2 for small–medium round brilliants and move up only if you can see inclusions.
  • If you want balance of beauty and value: VS2 is widely treated as a safe, eye-clean, high-value clarity grade.
  • If you care about technical perfection or investment appeal: FL, IF, or VVS may appeal, but you’ll pay a steep premium for differences that are almost invisible in everyday wear.

In current online and forum-style discussions, the trending advice is to “buy the look, not the lab grade”: focus on an eye-clean VS2 or SI1, put the savings into cut quality or size, and only pay for higher clarity if it matters to your personal story or long-term goals.

Information gathered from public forums or data available on the internet and portrayed here.