This is in large part due to the greater amount of rough diamond that necessitates additional polishing to create diamonds with this precise optical symmetry.
He appears as something of a rough diamond throughout the books.
Until now, this is the highest price on record for a rough diamond.
They are highly skilled craftsmen or artisans who are responsible for cutting, polishing and transforming a rough diamond into a finished gemstone ready for setting.
While imports make up relatively small volume, or carats, they drastically increase the value of rough diamond exports.
The participants include all major rough diamond producing, exporting and importing countries.
Its borders make a rough diamond shape on a map.
When found, the rough diamond weighed 25.95 carat.
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