DiamondBuzz
JA, key industry persons met Washington officials on concerns about Russian sanctions
Jewelers of America (JA) and key industry figures met with lawmakers in Washington, DC, last week to express their concerns about plans for sanctions on Russian diamonds.
Jewelers of America (JA) and key industry figures met with lawmakers in Washington, DC, last week to express their concerns about plans for sanctions on Russian diamonds.
“JA has been working tirelessly behind the scenes, and this visit to Washington, DC, was a critical step to ensure we minimize unnecessary disruptions to the US diamond industry,” JA president and CEO David Bonaparte said in a statement Tuesday. “We are very concerned about the additional requirements that could take effect on September 1.”
These would include adopting a European Union proposal forcing all 0.50-carat and larger diamonds destined for Group of Seven (G7) markets to pass through a single import channel in Belgium, Bonaparte noted.
JA supports efforts to keep diamonds of Russian origin out of the supply chain, including the more stringent rules that went into effect on March 1, it said. These require importers to self-certify that diamonds of 1 carat or larger are not Russian, notwithstanding their having been manufactured in a third country.
However, mandating physical verification and certification in Belgium for all rough diamonds “would cause maximum damage to the global diamond and jewelry supply chain, while having minimal effect on Russia’s diamond revenues,” JA argued in the statement.
Joining Bonaparte on the visit were Jon Bridge, chairman and counsel emeritus at Ben Bridge Jeweler; Dave Meleski, president and CEO of Richline Group; Matthew Swibel, vice president for sustainability and social impact at Signet Jewelers; and Ronnie VanderLinden, immediate past president of the Diamond Manufacturers Importers Association of America (DMIA) and president of the International Diamond
DiamondBuzz
CVD Synthetic Fashioned To Imitate A Rough Natural Diamond
The Near-Colorless Stone Is Believed To Be The First Time Creators Of A Synthetic Chemical Vapor Deposition (CVD) Diamond Have Shaped It To Resemble A Rough Diamond
The 6.87-carat near-colorless CVD diamond was shaped to resemble a natural rough octahedral crystal but showed distinct synthetic features under microscopic and spectroscopic analysis.GIA’s tests confirmed the stone’s synthetic origin, noting polishing marks, facet junction roughness, and luminescence patterns inconsistent with natural diamonds.
No evidence currently suggests widespread substitution of synthetics for rough natural diamonds, but existing detection tools could be adapted if such cases increase.
The near-colorless stone is believed to be the first time creators of a synthetic chemical vapor deposition (CVD) diamond have shaped it to resemble a rough diamond, according to an article in the spring issue of the institute’s Gems & Gemology quarterly journal.
Upon investigation with the use of raman spectroscopy, the results confirmed that the material was a diamond, with its near-octahedral shape similar to that of a natural rough crystal. Further analysis showed that it was not a true octahedron, as only one set of opposing faces was parallel. Microscopic observation under differential interference contrast revealed extremely flat faces marked mainly by parallel polishing lines, unlike the growth steps and trigons typically seen on natural octahedral faces. The facet junctions were extremely rough, possibly due to measures taken to improve the color, after which the main faces appear to have been repolished, the institute explained.
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