DiamondBuzz
De Beers cuts Sightholder list by a third in landmark restructuring
More than 20 clients dropped as the miner reshapes its rough-diamond distribution network
De Beers has notified more than 20 of its 69 sightholders that their client relationships will not be renewed when new contracts take effect on 1 July 2026 — a reduction exceeding one-third of its trading roster and the deepest single-cycle cut in the company’s recent history.
The revised sightholder list stands at approximately 45 companies, varying slightly depending on how firms with multiple trading divisions are counted. New contracts will replace agreements originally signed.
The restructuring reflects a strategic pivot toward a leaner, more concentrated distribution model. Industry analyst Edahn Golan has noted that at least one new sightholder from India has been added to the roster, signalling a continued shift in rough-diamond purchasing toward South and East Asian cutting centres.
De Beers declined to confirm the full list of retained or terminated clients, stating through spokesperson David Johnson that the updated sightholder directory will be published on the company’s website when the new contracts commence in July.
At its peak in the 1970s, De Beers maintained a sightholder list of over 350 companies. The move to sub-50 clients marks a structural consolidation that mirrors broader pressures on the natural diamond trade, including sustained demand softness, competition from lab-grown stones, and margin compression across the midstream.
DiamondBuzz
Jwaneng 28.88 Diamond Sale Marks Start of De Beers, Sotheby’s Collaboration
Collaboration Centers on Joint Marketing and Storytelling, Both Companies Co-create a Branded Narrative – “Earth To Art”
The sale of the Jwaneng 28.88 diamond later this month marks the start of a collaboration between De Beers and Sotheby’s.
This isn’t a simple transaction; it’s a narrative takeover. Under the banner “Earth to Art,” the two giants are co-creating a branded experience that tracks the journey of a stone from the deep-time pressure of the Botswana crust to the white-glove stage of the auction house.
The face of this revolution is the Jwaneng 28.88. A flawless, D-color, unmounted miracle, this diamond was carved from a massive 114.83-carat rough pulled from the legendary Jwaneng mine—the “Prince of Mines.”
It doesn’t just sparkle; it demands attention. This isn’t just carbon—it’s a curated relic of the earth’s core, reimagined for the modern collector.
The Sale Details
The Jwaneng 28.88 will headline the Magnificent Jewels & Jadeite sale in Hong Kong. It is accompanied by a curated selection of other Jwaneng-sourced treasures, including a solitaire ring and a pair of diamond earrings that redefine “standard” brilliance.
- Auction Date: 23 April.Location: Sotheby’s Hong Kong
- Estimate: HKD 17M – HKD 22M ($2.2M – $2.8M USD)
While the specific legal ink of the deal remains under wraps, the intent is clear: De Beers and Sotheby’s are no longer just seller and platform. They are storytellers. By merging De Beers’ unrivaled access to the source with Sotheby’s cultural authority, “Earth to Art” ensures that a diamond is never just a stone again. It is a legacy you can hold.
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