One of the most important features that the cutters were able to evolve over time , to make irresistible the subject called Diamond .

The cutter after a ' careful research , in the proportions , finish and polish , made the diamond in its forms the most attractive and desired gemstone in the world .

Along with the physical and chemical characteristics , which distinguish it from other gemstones , by cutting the diamond releases the so-called fire .

It is defined a set of flashes of light spectrally pure.

The unique focus of the Diamond is the result of the material ( Diamond ) good proportions cutting .

Below is an example of the light path within the Diamond, according to the different proportions of cut . The amount of light that returns to the observer is directly proportional to a cut with very good proportions ...

Octahedron shear modern present .