I1 Clarity Diamonds – What Does I1 Mean in Diamond Grading?

What does I1 mean?

I1 clarity describes the clarity of a diamond with small inclusions visible to the naked eye. I1 clarity diamonds offer an affordable alternative to high clarity diamonds which demand much higher prices. An understanding of clarity grades will help before buying an engagement ring.

Where does I1 clarity fall within the scale of clarity?

I1 clarity diamonds fall nine places below the highest clarity grade possible for a diamond. According to the presence or concentration of clarity characteristics within a diamond, the GIA diamond clarity system ranks diamonds. Many jewellers refer to these characteristics as inclusions. For this reason, I1 represents “Included 1.”

Lower clarity diamonds fall into either I2 or I3, the latter of which represents the lowest official clarity grade possible for a diamond.

There are 11 clarity grades in the GIA system of diamond grading. They are Flawless, Internally Flawless, two categories of Very Slightly Included, two categories of Slightly Included, and three categories of Included. A clarity characteristic of the clarity grade is based on its size, number, position, nature, and colour or relief.

For more information visit https://www.gia.edu/

Examples of I1 diamonds

We grade diamonds using a 10x loupe. As a result, I1 clarity diamonds reveal noticeable inclusions. In fact, inclusions appear visible even to the naked eye. However, they rarely diminish the brightness of a diamond. In contrast, I3 diamonds interfere with the passage of light through a diamond. As a result, I3 diamonds appear less sparkly and bright.

Example of an I1 clarity diamond. A small white feather and other clarity characteristics appear within the south-west position of the image.

Best diamond shapes for lower clarity diamonds

I1 clarity lends itself well to round brilliant-cut diamonds. Alternatively, they suit Princess cut diamonds. Owing to brilliant faceting, inclusions often appear disguised by facets. In contrast, Emerald or Baguette-cut diamonds can be less forgiving due to their step faceting.

What are the benefits of I1 graded diamonds?

There are two main benefits of buying an I1 diamond. Firstly, cost. I1 graded diamonds demand lower prices than higher clarity grades. Secondly, the presence of clarity characteristics acts as a blueprint for your diamond. As a result, knowing the position of each inclusion makes your diamond instantly recognisable.

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