DiamondBuzz
Fancy-Color Diamond Prices Dip Slightly Amid Global Trade Tensions
Market shows resilience despite U.S. tariff concerns, with vivid pink diamonds leading both gains and losses.
Prices of fancy-color diamonds declined modestly by 0.3% in Q1 compared to the previous quarter, as cautious consumer sentiment persists in light of looming U.S. tariffs, according to the Fancy Color Research Foundation (FCRF). Pink diamonds saw the smallest dip at 0.1%, with larger stones in the fancy-vivid category performing strongly—10-carat stones rose by 3%, while 5-carat stones were up 1.1%. However, 1.5-carat fancy-vivid-pink diamonds recorded a 2.3% drop, ranking among the quarter’s biggest losers.
Blue fancy-color diamond prices edged down 0.5%, reflecting a stable market trend, while yellow diamonds fell 0.7%. The most significant drop came from the 3-carat fancy-intense yellow, which declined 3%.
Despite short-term fluctuations, the long-term trend remains positive: since 2005, pink diamond prices have soared 394%, blues have risen 242%, and yellows have gained 49%.
“While global trade anxieties — particularly around renewed US tariff proposals — have undoubtedly created caution across luxury sectors, the fancy-color diamond market remained impressively composed,” said FCRF CEO Roy Safit. “In fact, given the sharp rhetoric around import duties and reshoring, many expected a more dramatic correction. Instead, the data shows a contained, strategic repositioning. It speaks to the market’s growing maturity and the defensive appeal of vivid-color diamonds.”
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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