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Home Gems & Jewellery NewsDiamond Tariffs Spark Global Market Turmoil and Causes Prices to Fall

Diamond Tariffs Spark Global Market Turmoil and Causes Prices to Fall

by Kittisak Meepoon

Key points

  • This Gems and Jewellery News report underscores how companies are rushing to reroute goods, explore duty loopholes, and even shift inventory physically into America, all while long-term planning grinds to a halt in a haze of uncertainty.
  • The Economic slump in many countries will likely also cause a fall in demand for diamonds, possibly leading to further declining prices Image Credit.
  • Yet the duties remain in place for now, with the issue expected to escalate to the Supreme Court.

Gems and Jewellery News: August Price Collapse Hits Mid-Sized Diamonds

August delivered a sharp blow to the diamond industry as U.S. tariffs on Indian imports unsettled global markets. Industry indices showed a marked downturn in key categories. The benchmark for 1-carat stones fell by just over 1 percent, while smaller 0.30-carat and 0.50-carat goods registered declines of nearly 4 percent. In contrast, larger stones displayed resilience, with 3-carat prices even managing slight growth. These shifts reveal a market under intense pressure, with mid-range goods hardest hit.

Tariff issues and market uncertainty causes diamond prices to fall
Image Credit: StockShots

Tariffs Take Their Toll

The disruptions stemmed directly from Washington’s decision to impose sweeping duties—25 percent from August 1 and then a punishing 50 percent from August 27—on Indian diamond imports. The resulting shock pushed up the relative value of diamonds already located in U.S. vaults while devaluing Indian-based stock. The pricing gap between U.S. and India inventory widened to around 16 percent, well above the usual 10–12 percent range. This Gems and Jewellery News report underscores how companies are rushing to reroute goods, explore duty loopholes, and even shift inventory physically into America, all while long-term planning grinds to a halt in a haze of uncertainty.

Surat Staggers Under Pressure

In Surat, the polishing hub responsible for most of the world’s diamonds, the fallout has been dramatic. Workshops are operating far below capacity, with many offices closing and tens of thousands of workers already facing layoffs. The wider workforce braces for even deeper losses, threatening not only the industry’s financial backbone but also the livelihoods of entire communities.

Revenue Plunges Looming

Analysts forecast severe contractions for India’s diamond sector. Once valued at over $16 billion annually, the polished-diamond trade could shrink by as much as 30 percent this fiscal year, plunging closer to $12 billion. Cancelled orders, idle factories, and dwindling exports highlight the fragility of an industry that has long served as a global powerhouse.

A Wider Export Crisis

The diamond crash is just one part of a broader export crisis sparked by the new tariff regime. Indian exporters across multiple industries—including jewelry, apparel, and machinery—are confronting duties that range from 25 percent to as high as 60 percent. Some projections suggest exports in certain categories may contract by nearly half. The blow extends far beyond diamonds, shaking supply chains that took decades to establish.

The Economic slump in many countries will likely also cause a fall in demand for diamonds, possibly leading to further declining prices
Image Credit: StockShots

Tariff Ruling Adds Uncertainty

Adding yet another layer of complexity, a U.S. appellate court recently ruled most of the tariffs illegal. Yet the duties remain in place for now, with the issue expected to escalate to the Supreme Court. This legal limbo only deepens the uncertainty for companies that cannot plan investments or shipments with confidence.

Retailers Stay Cautious

In the United States, retailers are taking a careful stance heading into the holiday season. While demand for larger, high-end stones such as 2-carat rounds and elongated fancy cuts remains solid, buyers are more selective and risk-averse. Major retail chains are pivoting increasingly toward synthetic diamonds in their fashion lines, reducing exposure to tariff-stricken goods. Independent jewelers, meanwhile, lean on memo agreements, reflecting their hesitation to commit in uncertain times.

India Finds Its Footing at Home

Back in India, retailers are seizing the opportunity to focus on domestic strength. Trading activity at recent exhibitions was buoyant, as jewelers and wholesalers explored new markets and buyers looked to capitalize on temporarily reduced prices. While the international shock has been severe, local demand offers at least some cushion against the downturn.

A Deeply Shaken Mosaic of Markets

The global diamond trade now stands at a crossroads. The U.S. tariffs have fractured established supply chains, depressed prices for mid-sized goods, and destabilized once-secure hubs like Surat. Entire communities are grappling with lost income and uncertain futures. Although larger stones and synthetic diamonds provide glimmers of resilience, they cannot offset the broader damage. With legal battles unresolved and new tariffs looming, the industry faces one of its most challenging chapters in decades. The ability of traders, manufacturers, and retailers to adapt, diversify, and innovate will decide whether the trade merely contracts or experiences a generational collapse.

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