Tiffany Co. for decades purchased only pre-cut and pre-polished diamonds from vendors. But it has been striving to transform its diamond business amid a decade of industry boom and bust. The New York-based retailer now is buying uncut diamonds to supply its own cutting-and-polishing plants, in its Laurelton Diamonds unit. Below, photos from Laureltons Belgium office, which opened in 2002. (See related article.)
A supervisor with a loupe around his neck awaits a shipment of rough diamonds at t....
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