Key points
- The battle between natural diamonds and lab-grown stones has erupted again after the Natural Diamond Council (NDC) sharply criticized luxury jeweler Pandora over claims that its lab-grown diamonds carry a carbon footprint up to 90 percent lower than natural diamonds.
- In a strongly worded open letter addressed to Pandora CEO Berta De Pablos-Barbier, the NDC accused the company of pushing what it described as a misleading narrative.
- The organization stressed that the environmental practices of the natural diamond industry have evolved significantly over the past decade, making the comparison inaccurate in today’s context.
Gems and Jewelry News: The battle between natural diamonds and lab-grown stones has erupted again after the Natural Diamond Council (NDC) sharply criticized luxury jeweler Pandora over claims that its lab-grown diamonds carry a carbon footprint up to 90 percent lower than natural diamonds. The dispute has quickly become one of the jewelry industry’s most heated public confrontations this year, with both sides fighting for consumer trust in an increasingly competitive global market.
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Pandora based its environmental comparison on a 2019 study originally conducted by the Diamond Producers Association, which later became the NDC.
However, the council says the retailer selectively used outdated findings to support a marketing campaign designed to elevate synthetic stones while undermining mined diamonds. In a strongly worded open letter addressed to Pandora CEO Berta De Pablos-Barbier, the NDC accused the company of pushing what it described as a misleading narrative. This Gems and Jewelry News report highlights growing tensions across the luxury jewelry sector as brands increasingly compete over sustainability credentials and consumer perception.
NDC Rejects Carbon Comparison
The NDC argued that Pandora’s comparison relied on data gathered from a limited portion of the diamond trade, with some figures dating back to 2013. The organization stressed that the environmental practices of the natural diamond industry have evolved significantly over the past decade, making the comparison inaccurate in today’s context.
The council also criticized Pandora for applying findings from isolated cases to the entire natural diamond sector. According to the NDC, such broad claims fail to meet responsible marketing standards and risk spreading misinformation among consumers already confused by competing sustainability narratives.
Natural Versus Synthetic Debate Intensifies
Another major point raised by the NDC centers on the fundamental differences between mined and laboratory-created diamonds. The council emphasized that natural diamonds are rare geological creations formed over billions of years, while lab-grown diamonds are factory-produced products that can be manufactured in virtually unlimited quantities.
Industry observers note that the argument goes beyond environmental impact alone. Questions surrounding rarity, emotional value, long-term resale potential, and consumer authenticity continue to shape the debate between natural and synthetic stones.
The NDC urged Pandora to rejoin broader industry discussions focused on improving sustainability standards across both sectors rather than launching campaigns that target the natural diamond trade. The organization warned that aggressive marketing tactics could negatively affect millions of workers worldwide who depend on diamond mining for employment and economic survival.
As sustainability becomes a powerful selling point in luxury jewelry, clashes like this are expected to intensify further. Both natural and lab-grown diamond companies are now battling not only for market share, but also for moral and environmental credibility in the eyes of younger global consumers. The controversy also reveals how sensitive the jewelry industry has become to public perception, where a single marketing campaign can ignite worldwide backlash and reshape consumer conversations almost overnight.
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