DiamondBuzz
Diamond sanctions “not feasible”: Russia deputy finance minister
The EU’s “softening of sanctions” was inevitable, according to Russia’s deputy finance minister Alexey Moiseev.He was speaking after the announcement last week that “grandfathered” goods – diamonds imported from Russia before the 1 January imposition of sanctions – would be allowed, and that the implementation of a traceability scheme had been postponed by six months to 1 March 2025.
“This is the next confirmation that what the Western countries propose is not feasible at this stage,” Moiseev said”As I said at the St. Petersburg [International Economic] Forum, this is the manifestation of a kind of a neocolonial policy of these countries, which infringes upon not merely Russia but also all the Western market players. I believe therefore this [softening of sanctions] was inevitable.”
Elsewhere in the Russian media, ABNews reports claims that EU countries have suffered a 25 per cent drop in diamond revenue so far this year, down from $3.59 bn to $2.69bn.
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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