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The image shows a flowchart detailing the processing of rough diamonds. The process starts with "Rough diamonds mined", leading to "Sorted" which splits into two streams: "Low grade" and "High grade". Low-grade diamonds proceed to "Industrial uses", where they are "Cut and shaped", "Tested for hardness", and "Priced" before being "Sent to retailers". High-grade diamonds continue to "Cosmetic uses", undergo "Polished", and then "Given a rating". Post-rating, the diamonds are either "Cut by hand" or "Cut by machine", both leading to being "Analysed by computer for best cut" and finally rejoining the flow as "Priced" sent to retailers. The flowchart contains no numerical data points or percentages.
Given the complexity of the image, the above description may not be entirely accurate.
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The process chart shows the stages of processing diamonds from the mine to the retailer.
Overall, mined rough diamonds are sorted into either of two categories based on their grades. Low-grade diamonds, unlike their high-grade counterparts, pass through less processes before getting to the retailer.
The process starts with excavation of rough diamonds, followed by sorting into high-grades or low-grades. The low grade diamonds are ideal for industrial uses, while the high grade ones are useful for cusmetics purposes.
The low-grade diamonds are cut and shaped into desired forms. They are then tested for hardness and priced accordingly before sending them to the supplier. The high-grade diamonds, on the other hand, are priced immediately after sorting before taking to the computer to analyse the best cutting strategy. These diamonds are cut by hand or machine before polishing to the appropriate smoothness. Afterward, the stones are rated and subsequently sent to the retailers.
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