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Swiss luxury jewelry and watches company de Grisogono has acquired the world’s most expensive rough diamond, at Sotheby’s from Dubai-based trading company Nemesis International for a record $63 million. The…
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Swiss luxury jewelry and watches company de Grisogono has acquired the world’s most expensive rough diamond, at Sotheby’s from Dubai-based trading company Nemesis International for a record $63 million. The…
