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DIAMONDS

‘Clarity’

What is ‘Clarity’?

A diamond’s clarity is measured by the existence – or absence – of visible flaws. During the growth process of a diamond, a variety of internal characteristics called ‘inclusions’ and external characteristics called ‘blemishes’ can occur; almost like a natural birthmark. When assessing the clarity of a diamond, the overall appearance and value of the stone will depend upon the number, shape, size and position of inclusions and blemishes. The chart below gives you an insight of how a stone is graded depending on their inclusions/ blemishes with the highest possible outcome being FL: Flawless, which is exceptionally rare.

The Clarity Scale contains 11 grades, with most diamonds falling into the VS (very slightly included) or SI (slightly included) categories. In determining a clarity grade, these points should all be considered- the size, nature, position, color or relief, and quantity of clarity characteristics visible under 10× magnification.

  • Flawless (FL) – No inclusions or blemishes are visible to a skilled grader using 10× magnification
  • Internally Flawless (IF) – No inclusions and only blemishes are visible to a skilled grader using 10× magnification
  • Very, Very Slightly Included (VVS1 and VVS2) – Inclusions are difficult for a skilled grader to see under 10× magnification
  • Very Slightly Included (VS1 and VS2) – Inclusions are minor and range from difficult to somewhat easy for a skilled grader to see under 10x magnification
  • Slightly Included (SIand SI2) – Inclusions are noticeable to a skilled grader under 10x magnification
  • Included (I1, I2, and I3) – Inclusions are obvious under 10× magnification and may affect transparency and brilliance

Speak with one of our diamond experts today to discuss matters of Clarity with you further.

“Clarity; Learn more about the anatomy of a diamond with Durham Rose’s guide.

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