JB Insights
De Beers Group to shut LGD jewellery brand Lightbox, will focus on naturals
The move underscores De Beers Group’s commitment to natural diamonds
De Beers Group today announces its intention to close its lab-grown diamond (“LGD”) jewellery brand, Lightbox, reinforcing De Beers Group’s commitment to natural diamonds in the jewellery sector. As part of the closure process, De Beers Group is discussing the sale of certain assets, including inventory, with potential buyers.
Lightbox, which was established in 2018, has highlighted that LGDs are a distinct product from natural diamonds, with different attributes and different value. The business was launched with transparent linear pricing of $800 per carat. Since then, LGD prices in the jewellery sector have fallen 90% at wholesale, tracking closer to a cost-plus model as they have diverged from natural diamond prices. Reflecting this sharp price decline, De Beers Group intends to discontinue the Lightbox business. The evolution of LGD values in the jewellery sector underpins De Beers Group’s core belief in rare, high-value, natural diamond jewellery as a separate category from low-cost, mass-produced LGD jewellery.

The proposed closure of the Lightbox business reflects a key executional milestone in De Beers Group’s Origins Strategy, as set out in May 2024, to focus on high-return activities and streamline the business. The closure will enable De Beers Group to reallocate investment to initiatives focused on reinvigorating desire for natural diamonds through category marketing.
De Beers Group will work closely with employees, retail partners, suppliers, and other stakeholders to ensure a smooth process over the coming months. Customers will continue to receive support for existing purchases, including warranties and after-sales services, during the closure process.
Element Six, De Beers Group’s subsidiary that previously produced lab grown stones for Lightbox, maintains its exclusive focus on industrial solutions using synthetic diamonds. Building on its world-leading status developed over more than seven decades, Element Six is well-positioned to seize the rapidly growing potential for synthetic diamond applications across a range of future-facing technologies and applications.

Al Cook, Chief Executive Officer of De Beers Group, said: “As we move towards becoming a standalone company, we continue to optimise our business, reduce costs and build a focused De Beers that is positioned for profitable growth.
“The persistently declining value of lab-grown diamonds in jewellery underscores the growing differentiation between these factory-made products and natural diamonds. Lightbox has helped to highlight the fundamental differences in value between these two categories. Global competition continues to intensify with more low-cost lab-grown diamond production from China. In the US, supermarkets are driving down lab-grown diamond jewellery prices. Overall, we expect both the cost and price of lab-grown diamonds to fall further in the jewellery sector.
“The planned closure of Lightbox reflects our commitment to natural diamonds. We are also excited at the growing commercial potential for synthetic diamonds in the technology and industrial space.”
JB Insights
The Role Of Hallmarking and Transparency In Strengthening Consumer Confidence
By Suresh Krishnan, Vice President – Sales, PNG Jewellers
In India, jewellery is equally an emotional purchase and a significant financial transaction. As consumers become more informed and digitally empowered, trust is increasingly becoming a decisive factor alongside design, price and brand reputation. Hallmarking has played an important role in creating that trust by giving consumers third-party assurance of precious-metal purity.

India’s hallmarking ecosystem has expanded significantly. BIS data shows that hallmarking registrations increased from 34,647 to 1,37,315 between April 2021 and March 2022 *1, while more than 8.72 crore gold and silver articles were hallmarked during that year. The introduction of the six-digit Hallmark Unique Identification (HUID) in 2021 has further strengthened traceability. Consumers can verify a gold article’s HUID through the BIS CARE app, adding an independent layer of assurance at the point of purchase.
For an organised retailer, this becomes particularly relevant as jewellery discovery increasingly moves online. A customer may discover a product on social media, compare it on an e-commerce platform and complete the transaction digitally. In such a journey, hallmarking helps bridge the trust gap created by the absence of physical touch and feel. When purity is independently verifiable, consumers can make online purchases with greater confidence.
The opportunity is also expanding beyond gold. BIS has brought both gold and silver under its hallmarking framework. In FY2024-25, more than 32 lakh silver jewellery articles*2 were hallmarked. The revised IS 2112:2025 introduced HUID-based hallmarking for silver on a voluntary basis from September 2025, creating greater traceability and consumer assurance in a category that is increasingly relevant to younger and value-conscious buyers.
This evolution matters commercially. KPMG’s India CX Report 2025*3 found that 27% of fine-jewellery customers are more confident in authenticity, quality and value when they trust a brand, while 9% said they would explore another brand if jewellery appeared overpriced for its quality. These findings underline why trust is not simply a compliance issue; it directly influences consideration and willingness to pay.
Contributing to the larger goal of organised and transparent trade, hallmarking has now been integrated as part of the broader customer experience across stores, CRM and e-commerce. As India’s jewellery market becomes increasingly omnichannel, the brands that communicate purity, pricing and policies clearly will be better positioned to convert digital discovery into purchase and, more importantly, build relationships that extend beyond a single transaction. The future of jewellery retail will therefore be defined not only by what consumers see, but by how confidently they can verify what they are buying and hallmarking takes care of that concern efficiently.
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