DiamondBuzz
US to demand Origin Declaration for diamonds
The US will require importers to state the mining provenance of diamonds entering the country, Customs and Border Protection (CBP) said last month.
The new rules for enforcing sanctions on Russian goods will come into effect in April, according to a Trade User Information Notice dated January 14, which CBP distributed on January 23.
Those filing diamond imports in the Automated Commercial Environment (ACE), the US government’s electronic system for shipment declarations, will have to “provide the country of mining,” the notice said.
It did not specify whether they needed to give evidence or the carat sizes to which the rule applies. As of September 1, 2024, the US has banned imports of Russian nonindustrial diamonds weighing 0.50 carats or more.
Meanwhile, importers of jewelry that excludes diamonds will be able to “disclaim the additional data requirement,” the notice added. CBP will continue to require diamond importers to provide self-certification statements verifying that the products “do not contain Russian inputs.”
The World Jewellery Confederation (CIBJO) plans to undo a decision it made back in 2010. It now wants all non-natural diamonds to be labelled only as “synthetic.”
This means the terms “laboratory-grown” and “laboratory-created” will be removed from CIBJO’s Diamond Blue Book (the global reference for diamond terminology and trade practices) and from related ISO Standards.
CIBJO also says the 4Cs grading system should apply only to natural diamonds, just as the GIA has recently decided.
Udi Sheintal, president of CIBJO’s Diamond Commission, explained that the earlier acceptance of “lab-grown” terminology was well-meaning but turned out to be a mistake.
He added that synthetic diamonds have often been marketed as more ethical, sustainable, and conflict-free—claims that, he argued, are usually not backed by evidence.
Udi Sheintal also stressed the need for clearer transparency. He said marketing should make it clear that synthetic diamonds are not grown in “laboratories,” but manufactured in industrial facilities using artificial processes.
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