Pandora has introduced what it describes as a new transparency measure for its lab-grown diamond line, adding carbon footprint data alongside the traditional “four Cs” of cut, colour, clarity and carat.
The company said it will now disclose the carbon footprint of each stone in its Pandora Lab-Grown Diamonds collection on its website, marking a shift in how it presents environmental information for the category.
The move comes as the jewellery maker continues to expand its lab-grown offering, which uses what the company says is a lower-emissions production process compared with mined diamonds. Pandora said each lab-grown diamond in the collection is grown, cut and polished using 100% renewable electricity, and set in jewellery made from 100% recycled silver and gold.
According to the company, its lab-grown diamonds have the same optical and physical characteristics as mined diamonds, but generate “around 90% less CO₂e than mined diamonds,” based on its internal calculations and external life-cycle assessment work.
The carbon footprint data will be published on pandora.net for each stone in the collection, adding what the company is positioning as an additional decision-making metric for consumers.
Pandora said the initiative is part of its broader design approach for lab-grown diamonds, which are intended to be worn daily rather than reserved for milestone occasions. The collection includes two design directions: Pandora Infinite and Pandora Era.
Pandora Infinite, introduced in 2021 as the company’s first lab-grown diamond collection, focuses on symbolic and expressive designs. Pandora Era features more minimal, essential styles intended for stacking, mixing and layering.
“Pandora Infinite explores boundless love and self-expression through timeless silhouettes, while Pandora Era reimagines diamond essentials for today, with versatile styles designed for stacking, mixing and layering — jewellery made for every moment, not just milestones,” the company said.
Pandora said the new disclosure approach is intended to give consumers more information at the point of purchase.
Berta de Pablos-Barbier, chief executive officer of Pandora, said the company is responding to changing consumer expectations around sustainability and transparency in jewellery.
“Today, people want jewellery that feels beautiful, meaningful and aligns with their values,” she said. “By introducing a new measure of brilliance, the carbon footprint, we are giving consumers greater transparency about what they are wearing and how it’s made. Displayed alongside the traditional four ”Cs” (Cut, Colour, Clarity, and Carat) on our website, this fifth ‘C’ empowers people to choose diamonds that express who they are, without compromising on design, quality or self-expression.”
Pandora said it formally presented the new carbon disclosure approach at the Global Fashion Summit in Copenhagen, a sustainability-focused gathering for the fashion industry.
Pamela Anderson, who serves as Pandora’s global brand ambassador, appeared on stage alongside chief marketing officer Jennie Farmer during the presentation.
The Pandora Lab-Grown Diamonds collection is currently available in the United States, United Kingdom, Canada, Australia and Denmark, with additional markets expected to follow, the company said.
Pandora added that its environmental claims are based on a combination of external life-cycle assessment work and internal calculations, and that its estimates have been verified under limited assurance by auditing firm EY.
The company said its lab-grown diamond carbon footprint comparison is a conservative estimate based on data from a 2019 study by the Diamond Producers Association, and that the methodology used reflects best practices in life-cycle assessment.
Pandora also reiterated its broader sustainability targets, including its commitment to using 100% recycled silver and gold in its jewellery production and its goal of reducing greenhouse gas emissions across its value chain by 2030.
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