When Technology Breaks a Monopoly: What the Diamond Industry Can Teach Every Business
- Dr Kevin Ho
- 3 days ago
- 3 min read
For over a century, diamonds have symbolized wealth, luxury, and everlasting love. Behind that image, however, lay one of history's most remarkable examples of market control.
For decades, De Beers dominated the global diamond industry by carefully controlling the supply of natural diamonds. By limiting how many diamonds entered the market and reinforcing the idea that diamonds were exceptionally rare, the company successfully maintained high prices and created one of the most powerful luxury brands in history.
It was a brilliant business model—until technology changed the rules.
Artificial Scarcity Only Works Until It Doesn't
Contrary to popular belief, gem-quality diamonds are certainly uncommon, but they are not as extraordinarily rare as many consumers have been led to believe. Their value depended not only on nature, but also on carefully managed supply.
Economists often describe this as artificial scarcity: restricting supply to maintain higher prices.
As long as there were no close substitutes, the model worked remarkably well.
Then came lab-grown diamonds.
Unlike imitation gemstones such as cubic zirconia or moissanite, lab-grown diamonds are real diamonds. They possess the same chemical composition, crystal structure, hardness, and brilliance as mined diamonds. Even trained gemologists typically require specialized equipment to distinguish between the two.
Technology had produced a nearly perfect substitute.
The Rise of China's Diamond Industry
Although synthetic diamonds have existed for decades, the real breakthrough came when manufacturing technology became significantly more efficient and scalable.
One of the biggest success stories emerged from Henan Province, China, which rapidly developed into one of the world's leading centres for synthetic diamond production.
Leveraging strengths in advanced manufacturing, materials science, and large-scale production, Chinese manufacturers dramatically increased output while driving production costs lower year after year.
The result was inevitable.
Lab-grown diamond prices collapsed.
In many categories, wholesale prices have fallen by as much as 80–90% over the past several years. Diamonds that once sold for thousands of dollars can now be purchased for only a fraction of their previous prices.
Why De Beers Couldn't Continue the Monopoly
Historically, De Beers maintained price stability by controlling the supply of mined diamonds entering the market.
But factory production follows a completely different set of economic rules.
If demand increases, manufacturers simply produce more.
This fundamentally changed the industry. Diamonds were no longer constrained solely by what could be mined from the earth—they could now be manufactured at industrial scale.
No company, regardless of its history or market power, can easily control the supply of a product that factories can continuously produce.
Recognising these structural changes, Anglo American, De Beers' parent company, has announced plans to divest the iconic diamond business as part of a wider corporate restructuring.
It marks the end of an era.
The Bigger Story Isn't Jewellery
Ironically, jewellery may become the less important application for synthetic diamonds.
Industrial diamonds are increasingly used in:
Precision cutting and drilling tools
Semiconductor manufacturing
Medical equipment
High-performance electronics
Optical systems
Heat management for advanced computer chips
Precision polishing and machining
Their exceptional hardness, thermal conductivity, and durability make them valuable in industries that have little to do with luxury.
As countries compete in advanced manufacturing, semiconductor production, and strategic materials processing, synthetic diamonds are becoming increasingly important industrial resources.
The jewellery market, in many ways, may simply have been collateral damage from a much larger technological revolution.
Lessons Every Business Should Learn
The diamond industry's transformation offers valuable lessons for organisations across every sector.
1. Technology eventually challenges artificial scarcity.
Business models built primarily on controlling supply become vulnerable once technology creates scalable alternatives.
2. Innovation changes competitive advantages.
The strongest competitive advantage today may disappear tomorrow if a breakthrough fundamentally changes production economics.
3. Legacy market leaders are not invincible.
History has shown that even companies with decades of dominance can struggle when disruptive technologies reshape an industry.
4. Adaptability is more valuable than market power.
Long-term success depends less on protecting existing business models and more on recognising change early and adapting accordingly.
Final Thoughts
The story of diamonds is no longer just about luxury or romance.
It is about economics, innovation, and disruption.
For more than a hundred years, one of the world's most successful supply-control models shaped an entire industry. Yet advances in science and manufacturing fundamentally altered the equation in just a few years.
The lesson extends far beyond diamonds.
Every business should ask itself a simple question:
If a technological breakthrough suddenly removed the scarcity (or business 'moat' or barrier to entry) that supports your business model, would your organisation be prepared to adapt—or would you become the next industry to be disrupted?
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