By Lot Ndamanomhata
A year ago, Botswana proudly unveiled the discovery of the world’s second-largest diamond—a moment of national pride that reinforced its reputation as one of the globe’s leading producers of precious stones.
Fast forward twelve months, and the country now finds itself in the throes of what many call a “diamond crisis.”
Botswana, the second-largest producer of diamonds globally, is heavily dependent on the sector. Diamonds account for roughly 80% of the country’s exports and one-third of government revenue (World Bank 2023).
Yet, the global diamond market has shifted dramatically. The rise of lab-grown diamonds are cheaper, chemically identical to natural ones, and increasingly accepted by consumers has shaken the foundations of Botswana’s diamond-dependent economy (Rapaport 2024).
For countries like Namibia, where diamonds also contribute substantially to exports, employment, and the fiscus, Botswana’s troubles provide an urgent warning.
What exactly is happening in Botswana’s diamond industry right now?
Botswana’s diamond sector is being hit on two fronts: declining demand for natural diamonds and increased competition from synthetics. In 2023, global natural diamond sales slowed sharply, especially in the U.S. and China, two of the largest markets (De Beers Group 2023). Meanwhile, lab-grown diamonds, which can be produced at a fraction of the cost, have flooded the market, driving down prices (Bain & Company 2023).
For Botswana, which failed to diversify beyond diamond dependency despite decades of booming revenues, the slowdown has exposed deep structural vulnerabilities. Its economy, tethered to a single resource, is now at the mercy of global consumer shifts.
How big of a threat are lab-grown diamonds?
Lab-grown diamonds are perhaps the most disruptive force the natural diamond market has ever faced. They are visually, chemically, and physically identical to mined stones, but can retail for up to 70% less (Bain & Company 2023). For younger consumers, who increasingly prioritize affordability and sustainability, the stigma once attached to synthetics has all but vanished.
This is not just a passing trend; it represents a structural shift. If natural diamonds cannot differentiate themselves in branding, heritage, and scarcity, their value proposition will erode further.
How exposed is Namibia?
Namibia’s exposure is significant. Diamonds contribute billions annually to the national fiscus through royalties, taxes, and dividends from joint ventures such as Namdeb and Debmarine. Recently, Namibia’s Minister of Finance noted the decline in diamond sales as a key factor in revenue shortfalls (Shiimi 2024). This, coupled with declining Southern African Customs Union (SACU) revenues, could create a serious fiscal squeeze.
Already, Debmarine Namibia has announced the decommissioning of a mining vessel, raising fears of potential job losses (The Namibian 2024). If global demand continues to weaken, more cutbacks could follow, impacting livelihoods and government spending alike.
What lessons can Namibia draw from Botswana?
The clearest lesson is the danger of overreliance. For decades, Botswana basked in the stability of its diamond exports without aggressively diversifying into other sectors. That lack of foresight is now haunting the economy (African Development Bank 2023). Namibia must avoid the same fate.
The revenues from diamonds are finite—both because the resource itself is exhaustible and because the market is undergoing irreversible change. Namibia should be using today’s revenues to invest in skills, innovation, and industries that will outlast diamonds.
Are Namibian models like Namdeb and Debmarine resilient?
Namibia’s marine mining operations are globally respected for their innovation and efficiency. However, they are not insulated from the structural decline in natural diamond demand. Even the most technologically advanced mining model cannot overcome shrinking consumer appetite for mined stones.
What should Namibia do now?
From a policy standpoint, Namibia needs a multi-pronged approach:
- Diversify within diamonds: Move beyond raw exports. Invest in cutting, polishing, jewelry manufacturing, and branding Namibian diamonds as unique and responsibly sourced.
- Diversify beyond diamonds: Channel revenues into renewable energy, fisheries, agriculture, and knowledge industries that can generate long-term jobs and value.
- Brand differentiation: Position Namibian diamonds as “diamonds with a story”—finite treasures from the ocean floor, carrying cultural, historical, and environmental significance (Namdeb Annual Report 2023).
Could diversification in value addition help?
Absolutely. The global diamond market is no longer just about extraction; it is about value chains. Countries like India dominate cutting and polishing, reaping billions while African producers sell rough stones. By localizing more of this value chain, Namibia can generate jobs and buffer itself against declining rough sales (Chamber of Mines of Namibia 2024).
Should Namibia enter the synthetic diamond space?
It may seem counterintuitive, but embracing synthetics could be a forward-looking move. Rather than resisting, Namibia could position itself as a dual player: marketing natural diamonds as luxury, scarce, heritage products while also producing lab-grown stones for mainstream markets. This two-pronged approach would reduce risk while keeping Namibia relevant in a changing market.
Will natural diamonds retain their prestige?
Natural diamonds will not disappear, but their market share will shrink. They may increasingly become luxury niche items like rare art or vintage wine, while synthetics dominate the broader consumer market. Their prestige will rely on effective branding and storytelling, not just their inherent qualities (Bain & Company 2023).
Final advice for Namibia
The diamond crisis in Botswana is not just Botswana’s problem, it is a regional wake-up call. Namibia must recognize that diamonds are finite, both geologically and economically.
If Namibia fails to diversify, it risks walking the same path as Botswana, an economy vulnerable to external shocks, declining revenues, and job losses. The moment to act is now:
- Invest diamond revenues in skills and industries beyond mining.
- Scale up local beneficiation—cutting, polishing, and jewelry.
- Brand Namibian diamonds as premium and responsible.
- Explore synthetics as part of the future.
The story of diamonds in Southern Africa must evolve. If Namibia is to secure its economic future, it must use the dwindling window of diamond wealth to innovate, diversify, and build resilience. Otherwise, when the sparkle fades, so too may the prosperity it has long brought.
References
1. African Development Bank (2023). African Economic Outlook 2023: Mobilizing Private Sector Financing for Climate and Growth. Abidjan: AfDB.
2. Bain & Company (2023). The Global Diamond Report 2023. Available at: https://www.bain.com
3. Chamber of Mines of Namibia (2024). Annual Review 2024. Windhoek: CoM.
- De Beers Group (2023). Diamond Insight Report 2023. London: De Beers.
- Namdeb Holdings (2023). Annual Report 2023. Oranjemund: Namdeb.
- Rapaport (2024). Lab-Grown Diamonds Gain Market Share Amid Natural Slump. Rapaport News.
- Shiimi, I. (2024). Budget Speech 2024/25: Consolidating Stability, Building Resilience. Ministry of Finance, Namibia.
- The Namibian (2024). Debmarine to Decommission Diamond Vessel. The Namibian, 18 April 2024.
- World Bank (2023). Botswana Economic Update: Diamonds Are Not Forever. Washington DC: World Bank.
Lot Ndamanomhata is graduate of Public Management, Journalism and Communication. This article reflects his views and write entirely in his personal capacity.
