By Penny Langford
As of July 2026, Anglo American PLC has entered the final phases of its complex structural reset, with the divestment of De Beers Group emerging as the centerpiece of a multi-year corporate overhaul. Following the initial announcement in May 2024: a strategic pivot designed to streamline operations and repel hostile takeover interest: Anglo American is now navigating a formal sale process for its 85% stake in the world’s most iconic diamond producer.
The separation comes at a critical juncture for the diamond industry. After several years of volatility characterized by the rapid rise of lab-grown alternatives and cooling demand in key markets like China, the natural diamond sector is showing signs of a tenuous stabilization. However, for Anglo American, the decision to exit is final, driven by a mandate to focus on the "green" commodities: copper, iron ore, and crop nutrients: that are expected to underpin the energy transition.
The Auction of an Icon: Progress and Potential Suitors
Anglo American’s management confirmed in its Q1 2026 briefing that the sale process is "advancing according to schedule," with a definitive transaction expected to close before the end of the year. While the company has maintained strict confidentiality regarding the identities of the bidders, the structure of the deal is increasingly clear.
Industry analysts and sources close to the negotiations indicate that a public-private consortium is the most likely buyer. This consortium is expected to be led by the Government of Botswana, which already holds a 15% stake in De Beers and relies on the company for a significant portion of its national revenue. Reports suggest that other diamond-producing nations, including Namibia and Angola, have expressed interest in participating in the buyout to secure greater sovereign control over their mineral resources.
The logistics of the spin-off are complicated by a series of impairments that have adjusted De Beers’ book value downward over the past 24 months. In February 2026, Anglo American recorded a $2.3 billion impairment on its diamond assets, citing lower forecast prices and a structural shift in consumer preferences. This adjustment reflects a pragmatic acknowledgment of the new market reality: natural diamonds are no longer the undisputed monopoly they once were.

Market Realities: Price Pressure and Inventory Rebalancing
The diamond market of mid-2026 is one of disciplined survival. According to recent data from De Beers’ latest "Sight" sales, the average realized price for rough diamonds has settled at approximately $101 per carat, representing a 19% year-on-year decline. This price compression is the result of several converging factors:
- Inventory Overhang: High levels of rough and polished inventory in the mid-stream: the cutters and polishers in India and Belgium: have forced major producers to "flex" production. De Beers has lowered its 2026 production guidance to 21–26 million carats, down significantly from its peak capacity.
- Consumer Sentiment: While the U.S. market remains the primary driver of demand, the slower-than-expected recovery in Chinese luxury spending has created a persistent vacuum in global sales volumes.
- Lab-Grown Competition: Synthetic diamonds have achieved significant market penetration, particularly in the lower-carat "bridal" segments, forcing natural producers to differentiate through provenance and scarcity.
To combat these headwinds, De Beers has undergone its own internal transformation. The company recently announced a complete exit from the active sale of lab-grown jewelry under its Lightbox brand, pivoting instead to use the Lightbox technology for industrial and technical applications. This "back to basics" strategy aims to restore the luster of natural diamonds through aggressive marketing campaigns that emphasize the rarity and geological history of mined stones.
Strategic Alignment: The Broader Portfolio Reset
For Anglo American, the De Beers spin-off is not an isolated event. It is a vital component of a strategy to become a "pure-play" leader in future-facing commodities. The capital freed from the diamond and platinum group metals (PGM) segments is being redirected toward Tier-1 assets like the Quellaveco copper mine in Peru and the Woodsmith crop nutrients project in the United Kingdom.
This shift mirrors broader trends across the mining landscape, where investors are increasingly rewarding companies with simplified portfolios and clear exposure to the electrification of the global economy. As noted in our recent copper price outlook, the demand surge from AI data centers and grid infrastructure is creating a vacuum for industrial metals that legacy diversified miners are eager to fill.
| Metric (2026 Projections) | De Beers Group | Industry Average |
|---|---|---|
| Production Guidance | 21–26M Carats | N/A |
| Avg. Realized Price | $101 / Carat | $94 / Carat |
| Rough Price Index | -17% YoY | -14% YoY |
| EBITDA Margin | 18.5% | 16.2% |
Data source: Skillings Mining Intelligence internal market tracker.

Shareholder Value and the Divestment Timeline
The market’s reaction to the restructuring has been cautiously optimistic. Shareholders who previously criticized Anglo American for its sprawling and complex structure have largely supported the move to shed non-core assets. However, the exact valuation of the De Beers deal remains a point of contention.
With the $2.3 billion impairment already factored into the balance sheet, the "floor" for the sale price has been established. Analysts suggest that the final transaction value will likely hinge on the long-term sales agreement finalized between De Beers and Botswana, which extends mining licenses through 2054. This 30-year runway provides the necessary stability for a sovereign-backed consortium to justify the investment.
"The separation of De Beers is about more than just clearing the decks," says a lead analyst covering mining finance news. "It is about defining what Anglo American wants to be for the next fifty years. By exiting diamonds, they are signaling that they are no longer a luxury goods company with a mining arm, but a critical infrastructure provider."
Operational Outlook for the Remainder of 2026
As the sale moves toward a final binding agreement, De Beers continues to operate under a "value over volume" mandate. This involves temporary halts at higher-cost operations and a focus on the ultra-profitable Jwaneng and Orapa mines. Technological integration also remains a priority, with increased investment in automated sorting and blockchain-based provenance tracking: tools essential for navigating the G7 sanctions on Russian-origin diamonds that became fully effective earlier this year.
The progress of this divestment will continue to be a dominant theme in our weekly power list of top mining tickers, as the market weighs the impact of a leaner Anglo American balance sheet against the inherent risks of a "pure-play" strategy.

Conclusion
The structural reset at Anglo American is a high-stakes gamble on the future of global industry. By advancing the De Beers spin-off during a period of market stabilization, the company is attempting to capture the maximum remaining value of a legacy asset while positioning itself for a copper-led future. For the diamond industry, the move marks the end of an era: the transition from a corporate-owned conglomerate to a potentially state-partnered entity focused on the sovereign wealth of African producing nations.
While the "Diamond is Forever" slogan remains the bedrock of the marketing effort, the ownership of those diamonds is proving to be far more transient. As the 2026 deadline approaches, the mining world is watching to see if this reset will indeed deliver the shareholder value Anglo American has promised.


