The proof-of-concept pilot launches in partnership with PureJewels by Bhanji Gokaldas, a fourth-generation London jeweller specialising in 22ct gold. Its newly released Lotus Collection will be the first jewellery line to feature Hallmarking 2.0
Hallmarking Enters the Digital Age
Hallmarking Enters the Digital Age with Blockchain-Enabled ‘Hallmarking 2.0’ A groundbreaking proof-of-concept project is bringing hallmarking into the digital era by integrating it with blockchain traceability programs and Digital Product Passports. Through the creation of a unique physical and digital identifier at the point of hallmarking, each hallmark can now be securely linked to a comprehensive digital record. This innovation enables full chain-of-custody tracking—from raw materials to the finished piece in the consumer’s hands—transforming hallmarking into a powerful tool for transparency and trust.
Digital Product Passport Integration
At the core of Hallmarking 2.0 is its integration with the Digital Product Passport powered by Everledger. This blockchain-based, independently verified ‘digital twin’ of each product records key details throughout its journey. Alongside traditional hallmarks, a unique identifier is applied to the item and simultaneously uploaded to its blockchain record. At the point of purchase, consumers receive a QR code granting access to their product’s Digital Product Passport, which is securely transferred to them at sale.
Consumer Access Details
With a simple scan, customers unlock the full story of their jewellery through independently verified data, including:
- Origin verification of precious metals, with growing support for ethical sourcing standards such as Fairmined
- Comprehensive gemstone and diamond records, integrating data from leading certification bodies (GIA, Gübelin, GCAL, IGI) covering origin, cut, clarity, carat weight and certification details
- Hallmarking details, including high-resolution renders of the hallmark and precise metal weights
- Retailer environmental and social impact disclosures, including energy sourcing, manufacturing practices and social responsibility initiatives
- Product safety compliance information
This immutable, asset-level digital twin provides consumers with reliable facts about their purchase while offering new benefits for the industry, including enhanced anti-counterfeiting measures, streamlined resale, and improved recovery of stolen goods. Verified product attributes stored on-chain also pave the way for automated insurance valuations tied to industry benchmarks.
Purejewels CEO Comment
Jayant Raniga, CEO of Purejewels, said, ‘At Purejewels by Bhanji Gokaldas, we view hallmarking as more than a symbol of purity. It is a promise of provenance. As jewellers rooted in heritage craftsmanship, we welcome Hallmarking 2.0 as a progressive step that strengthens transparency, reinforces trust, and affirms the responsibility of our supply chains. It is an evolution that respects tradition while embracing innovation’.
Everledger CEO Insight
Leanne Kemp, Founder and CEO of Everledger, said, ‘Digital Product Passports are transforming industries worldwide by making supply chains more transparent and accountable. Jewellery has a unique story to tell, and through Hallmarking 2.0, we are making that story visible and verifiable for every customer.’
EAO CEO Statement
‘Hallmarking has always been about traceability and trust,’ said Scott Walter, CEO and Assay Master of Edinburgh Assay Office. ‘Hallmarking 2.0 builds on this tradition for today’s global market, where consumers want to understand the origin of their jewellery and its impact on the planet. When buying online, customers cannot physically check for a hallmark. Digital Product Passports address this by providing transparent, secure records of provenance—no one supply chain player has all the data. Partnering for traceability is essential and enables retailers to evidence credibility. This gives consumers assurance that their jewellery is genuinely hallmarked and responsibly sourced.’
Future Plans
Hallmarking 2.0 is designed to support Digital Product Passports. It offers retailers an opportunity to build stronger relationships with increasingly conscious consumers, demonstrating a commitment to transparency in the digital age. EAO plan to move beyond this initial proof-of-concept stage before the end of 2025.
About Edinburgh Assay Office
Edinburgh Assay Office (EAO) is a self-funding statutory body. Our purpose is to provide an independent third-party guarantee of precious metal fineness. Through their expertise in precious metal verification, and their role in the design and application of industry standards, they ensure that every item bearing our castle mark meets with the requirements of the Hallmarking Act and any applicable international standards. EAO safeguard consumers’ interests, by advocating for transparent product descriptions, pre-market testing, product traceability systems and compliance through post market surveillance. EAO contribute to a sustainable regulatory framework which enables the growth of markets where consumers are empowered to make informed choices, and retailers compete on a level playing field.
About Everledger
Everledger Founded in 2015, Everledger is an independent technology company helping businesses surface and converge asset information, using a symphony of secure technologies, including blockchain, artificial intelligence, intelligent labelling and Internet of Things. Their purpose is to contribute greater clarity and confidence in marketplaces where transparency matters most. By working with Everledger, stakeholders such as producers, manufacturers, certification houses and retailers can further evidence the origin, ownership and characteristics of their assets to increasingly more conscientious consumers. And consumers can have access to all this information on any device, from desktops to smartphones.
About PureJewels
About PureJewels PureJewels is a London-based fine jewellery house that celebrates journeys and preserves the art of heritage craftsmanship. Founded in 1950 in Nairobi, Kenya by Indian goldsmith Bhanji Gokaldas, PureJewels has grown into an award-winning brand known for its 22ct gold, platinum, and bespoke creations. Now led by the third generation, the brand remains committed to ethical sourcing, artisanal excellence, and timeless design. Every piece from PureJewels is an expression of culture, legacy, and the stories that connect generations.
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