It is rare to find a flawless diamond. Most diamonds contain tiny imperfections, called inclusions, which are created by nature and make every diamond unique. Inclusions can range from minute dark or light solid fragments, crystals, cleavages, fractures and feathers. Many inclusions are invisible to the naked eye and can only be assessed by a gemmologist using magnification.
The more inclusions a stone contains and the easier they are to detect will determine the clarity grade. Diamonds which have inclusions visible to the naked eye are rated lowest on the clarity scale (I1, I2, and I3.)
As with colour, clarity affects value and is graded on an internationally recognised scale from the extremely rare flawless (FL) through to eye visible inclusions (I3).
