Manufacturing
ANALYSING
The first and vital step in the diamond cutting and polishing process is the analysis of the rough diamond. This step requires all-consuming imagination, skill and precision by an experienced diamond cutter. After analysing its size, shape, clarity and crystal direction, the best cut for the diamond is determined in order to maximise its end value and appearance. This step can only be completed successfully if done by a master diamond cutter whose trained eye and expertise affords him the ability to determine the best possible cut for the rough stone.
MARKING
The second step in the diamond production process is the marking of the stone using 3D laser technology. Incorrect marking by a fraction of a millimeter can greatly impact the quality of the final gem, so after noting any imperfections, a diamond marker may decide to work around an inclusion to polish a few high clarity diamonds from one rough stone, rather than yielding one large diamond of lower clarity grading.
SAWING
Have you ever wondered what happens to precious diamond dust that’s left over after a rough diamond has been cut? Once marked, a diamond is placed on a jeweller’s sawing spindle for the third step in the cutting and polishing process. The rough diamond is cut where it has been marked with a copper blade with a mixture of oil and diamond powder. The spindle revolves at an incredible 3000 rotations per minute. It is the diamond powder on the copper blade that physically cuts the stone, and not the copper blade itself. This is because diamonds are the hardest mineral known to man, and can only be cut by another diamond.
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ANALYSING
02
MARKING
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SAWING
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