Cut


Cut is the most crucial of the 4 Cs, especially at De Beers Diamond Jewellers, as it not only governs shape but affects and influences the Fire, Life and Brilliance of a diamond. Brilliance refers to the overall light reflected from a diamond; Fire is...

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Cut is the most crucial of the 4 Cs, especially at De Beers Diamond Jewellers, as it not only governs shape but affects and influences the Fire, Life and Brilliance of a diamond. Brilliance refers to the overall light reflected from a diamond; Fire is the dispersion of light into the rainbow colours of the spectrum; and Life is the movement of light within a diamond, or scintillation. Aside from the shape of the diamond, from the classic round brilliant to fancy cuts, a cut is evaluated on the precision of its critical angles, its symmetry, proportions and polish. Proportions concern the relationships between the different parts of the diamond: the table (top flat facet), the crown (visible top of the diamond), the girdle (the line or edge around the middle of the diamond) and the pavilion (the underside). These relationships can affect the way the diamond interacts with light.

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