DiamondBuzz
China Reignites Diamond Demand, Boosting Indian Traders and Prices
After a two-year hiatus, Chinese buyers return to purchasing Indian-cut diamonds, sparking optimism for Surat’s diamond industry and boosting rough diamond prices.
After nearly two years of inactivity, China has resumed purchasing diamonds cut and polished in India, rekindling hope for Indian diamond traders and positively influencing rough diamond prices. This resurgence in demand, marked by Chinese buyers replenishing stocks at the Hong Kong International Jewellery Show (March 4-8), is expected to rejuvenate diamond production in Surat, India’s diamond cutting and polishing hub, and provide a much-needed boost to the country’s diamond exports.
China, which had primarily focused on buying gold during the past two years, is India’s second-largest diamond export market after the United States. This renewed interest is particularly significant for Surat, where diamond production had stagnated without Chinese orders. India currently handles the cutting and polishing of nine out of ten diamonds sold worldwide.
The mood at the recent Hong Kong Jewellery Show was notably more optimistic than the last event in September, with Chinese buyers showing more interest after a period of reduced spending on diamonds, driven by the belief that gold holds more value. Despite this cautious optimism, diamond exports to Hong Kong, the primary route for Indian exports to China, have dropped significantly—down 28% in FY24 and a further 60% through February of this fiscal year.
With Chinese demand starting to pick up, rough diamond prices have surged by 3-4%. “While we remain cautiously optimistic, we are unsure how long this recovery will last,” said Kirit Bhansali, chairman of the Gem & Jewellery Export Promotion Council. “The market dynamics are shifting, and we are adjusting our expectations accordingly.”
Although the Hong Kong show showed signs of recovery compared to the September 2024 event, industry leaders acknowledge that the diamond market has recalibrated. Turnovers for jewellery companies are now about 30% to 40% lower than previous years, suggesting that stakeholders must adapt their strategies to the new normal.
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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