Historical events timeline.
A 21.25-carat diamond, the Eureka, is found near Hopetown on the Orange River, triggering a diamond rush. This discovery leads to the establishment of diamond fields that would later become De Beers' foundation. #history #diamonds
The Kimberley diamond pipe is discovered, leading to the development of the Kimberley Mine (Big Hole). Massive diamond deposits are found, attracting miners and entrepreneurs including Cecil Rhodes. #mining #diamonds
Cecil Rhodes and Charles Rudd establish the De Beers Mining Company, named after the farm De Beers where diamonds were found. The company begins consolidating smaller claims in the Kimberley area. #business #history
De Beers Consolidated Mines is officially formed through the merger of several mining companies, including De Beers Mining Company and Kimberley Central Diamond Mining Company. Cecil Rhodes becomes chairman, consolidating control over South African diamond production. #history #corporate
Cecil Rhodes negotiates a merger with Barney Barnato's Kimberley Central Diamond Mining Company, giving De Beers near-monopoly over the diamond fields. The company controls about 90% of global diamond production. #monopoly #business
Cecil Rhodes dies, and control of De Beers passes to the Rhodes Trust and later to Ernst Oppenheimer. The company continues its dominance but faces new challenges from the discovery of diamonds elsewhere. #legacy #history
Ernst Oppenheimer establishes the Anglo American Corporation, which will later become the majority shareholder in De Beers. This marks the beginning of the Oppenheimer family's control over the diamond industry. #business #finance
Ernst Oppenheimer becomes chairman of De Beers, consolidating his control. He expands the company's influence and establishes the Central Selling Organization (CSO) to control diamond distribution. #leadership #monopoly
De Beers creates the CSO, a global cartel that controls the supply and pricing of rough diamonds. The CSO becomes the single channel through which most diamonds are sold, stabilizing prices. #cartel #business
De Beers begins exploration in Botswana, leading to the discovery of major diamond deposits in the 1960s. Botswana becomes a key source of diamonds and a strategic partner for De Beers. #expansion #africa
De Beers geologists discover the Orapa kimberlite pipe in Botswana, one of the largest diamond mines in the world. It begins production in 1971, solidifying De Beers' presence in Botswana. #mining #diamonds
De Beers and the government of Botswana form the Debswana Diamond Company, a 50/50 joint venture to mine diamonds. This partnership brings immense wealth to Botswana and ensures De Beers' supply. #jointventure #africa
The Orapa mine in Botswana commences operations, becoming the largest diamond mine by area. De Beers' production capacity increases substantially. #mining #diamonds
De Beers expands its marketing campaign to Japan and other countries, promoting diamond engagement rings. The campaign successfully creates a new market in Japan, where traditional customs are replaced with Western-style rings. #marketing #global
The Jwaneng diamond mine, the richest in the world by value, is discovered in Botswana. De Beers develops it in partnership with the government. #mining #diamonds
The Jwaneng mine begins production, significantly boosting De Beers' output and revenue. It becomes a cornerstone of the Botswana economy. #mining #economics
De Beers signs a supply agreement with the Soviet Union (later Russia) to sell its rough diamonds through the CSO. This ensures the cartel controls a vast majority of global diamond supply. #coldwar #trade
Nicky Oppenheimer succeeds his father Harry Oppenheimer as chairman. He leads the company through a period of globalization and challenges from synthetic diamonds. #leadership #transition
The US Department of Justice investigates De Beers for antitrust violations related to its diamond cartel practices. The company is indicted but avoids prosecution by staying out of the US market. #legal #antitrust
The Diamond Trading Company is established in London to sort and distribute rough diamonds. It becomes the hub of the CSO's operations. #business #diamonds
Diamonds are discovered in Canada, leading to the Ekati and Diavik mines. De Beers initially ignores the region but later acquires operations there. #mining #canada
De Beers moves its sorting operations to Botswana through a partnership with the government, establishing the Diamond Trading Company Botswana (DTCB). #africa #business
De Beers launches a campaign to inform consumers about synthetic diamonds, emphasizing the difference between natural and lab-grown stones. This reinforces the value of natural diamonds. #marketing #diamonds
De Beers acquires the Snap Lake diamond project in Canada, its first Canadian mining operation. It later develops the Victor and Gahcho Kué mines. #expansion #canada
De Beers restructures its business, creating the De Beers Group as a holding company. The CSO is renamed to Diamond Trading Company (DTC). #corporate #rebranding
De Beers introduces the Forevermark brand for diamonds that are conflict-free and ethically sourced. This is a response to concerns about blood diamonds. #ethics #branding
De Beers pleads guilty to price-fixing charges brought by the US Department of Justice and pays a $10 million fine. The company agrees to reform its business practices. #legal #antitrust
De Beers decides to sell some mining assets to focus on downstream retail and branding. The company faces declining market share. #strategy #restructuring
De Beers opens its own retail stores in major cities (London, New York, etc.) to sell branded diamond jewelry directly to consumers. This marks a shift from wholesale to retail. #retail #luxury )
Anglo American plc acquires a 40% stake in De Beers from the Oppenheimer family, increasing its ownership to 85%. The transaction values De Beers at $8.8 billion. #mergers #acquisitions
De Beers' Gahcho Kué diamond mine in Canada begins operations, becoming one of the world's largest new diamond mines. It strengthens De Beers' presence in Canada. #mining #diamonds
De Beers introduces a sustainability framework focusing on ethical sourcing, environmental stewardship, and community development. #sustainability #ethics
De Beers publishes its first annual Diamond Insight Report, providing market analysis and industry data. It aims to increase transparency in the diamond trade. #marketresearch #report
De Beers sells its interest in the Kimberley mines to focus on its retail and branding operations. #restructuring
De Beers launches Lightbox, a brand selling lab-grown diamonds at lower prices, acknowledging the growing market for synthetics. This disrupts its traditional stance against lab-grown diamonds. #innovation #diamonds
Lightbox introduces colored lab-grown diamonds, further diversifying its product line. This move signals De Beers' full acceptance of the synthetic diamond market. #productlaunch #diamonds
The COVID-19 pandemic disrupts global diamond supply chains and reduces demand. De Beers sees a significant drop in sales and implements cost-cutting measures. #covid19 #crisis
Diamond demand recovers strongly in 2021, driven by US engagement ring sales and luxury spending. De Beers reports improved financial results. #economics #recovery
De Beers and Botswana negotiate a new 10-year sales agreement, ensuring continued access to diamonds from Debswana. The deal includes commitments to local beneficiation. #africa #trade
De Beers launches the Tracr blockchain platform for diamond traceability, aiming to assure consumers of ethical sourcing. #technology #blockchain
De Beers announces the planned closure of the Snap Lake and Victor mines due to depletion, focusing on longer-life assets in Botswana and Namibia. #mining