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06:20 CH - Thứ Sáu | 27/03/2026

The Super-Rich's Diamond Accumulation Trend

Key Takeaways

  • In the context of global assets increasingly affected by inflation, policy volatility, and systemic risks, the need to find a accumulation channel that is both sustainable and flexible is becoming a priority...

In the context of global assets increasingly affected by inflation, policy volatility, and systemic risks, the need to find a accumulation channel that is both sustainable and flexible is becoming a priority for modern investors. Not only the ultra-rich (UHNWIs), but also the affluent middle class are beginning to shift from a growth mindset to preserving long-term value.

In that trend, high-quality natural diamonds emerge as a special form of asset: possessing intrinsic value while also being mobile and separable from the financial system. And when standardized according to strict standards, diamonds are not just jewelry but become a sustainable asset accumulation tool.

The Rise of the Ultra-Rich (UHNWIs) and the Restructuring of Asset Mindset

The 33.4% increase in the number of global UHNWIs over 5 years not only reflects rapid wealth accumulation but also triggers a structural shift in asset management thinking. While the previous focus was on maximizing profits through stocks, real estate, and private equity, the ultra-rich are now prioritizing asset preservation, risk diversification, and maintaining cross-border flexibility.

In this context, high-quality natural diamonds are gaining attention because they meet three requirements simultaneously: intrinsic value, mobility, and independence from the financial system. Unlike financial assets dependent on market confidence or monetary policy, diamonds exist as a form of physical value that can "exit the system" when needed.

The concept of "Portable Store Of Wealth" is therefore no longer metaphorical but has become a practical criterion in UHNWI asset strategies, especially in the context of fragmented geopolitics and increasingly stringent asset control regulations.

High-quality natural diamonds are gaining attention because they meet three requirements simultaneously: intrinsic value, mobility, and independence from the financial system

High-quality natural diamonds are gaining attention because they meet three requirements simultaneously: intrinsic value, mobility, and independence from the financial system

Diamond Investment Performance in the Luxury Asset Ecosystem

Data from the Knight Frank Luxury Investment Index shows that diamonds and jewelry are no longer outside the investment framework but have been integrated into alternative asset portfolios alongside art, watches, and rare wines.

A notable point is that the long-term growth performance of Jewelry is more stable and less volatile than traditional financial markets. The fact that a $1 million investment from 2005 reached $5.4 million in 2024, slightly outperforming the S&P 500, indicates that diamonds are not assets with explosive growth rates but have the ability to accumulate value sustainably over time.

More importantly, high-quality 4Cs standard diamonds do not operate on mass supply and demand logic but are influenced by geological rarity and the demand of the ultra-rich asset group. This is a "Thin Market" where each large transaction can establish a new price level. Therefore, a 3% increase in 2025 does not fully reflect long-term potential but is merely an indication of a stable accumulation cycle under conditions of increasingly limited supply.

Diamond Investment Performance

The profitability of diamonds in the luxury asset portfolio.

The Strategic Basis Behind Diamond Accumulation

Value Density and Asset Compression Capability

At a financial level, diamonds represent a form of "Asset Compression" – the ability to compress significant value into a very small physical volume. This is particularly meaningful in situations requiring rapid asset transfer or asset preservation outside the banking system.

Compared to gold, which has a significantly lower value density per gram, high-quality diamonds allow for the transfer of millions of dollars within a small stone. This is an advantage that virtually no other tangible asset can compete with.

Physical Durability and Intergenerational Value

Diamonds are one of the most stable substances in nature, unaffected by time, environment, or common chemical factors. From an asset perspective, this means near-zero maintenance costs and no physical value depreciation.

For ultra-rich families, where assets are designed for multi-generational transfer, diamonds act as an "anchor asset" – a value anchor that remains undistorted over time, unlike assets dependent on economic cycles.

Role as a Hedge Against Inflation and Instability

During periods of high inflation or financial crises, scarce tangible assets often become havens for capital. Natural diamonds, being non-reproducible on an industrial scale, possess the characteristics of a long-term inflation-resistant asset.

The difference compared to gold is that diamonds are not traded en masse on centralized exchanges, thus being less affected by short-term speculation. The value of high-end diamonds is often established through private transactions between collectors and dealers, reducing volatility caused by market sentiment.

Privacy and Separation from the Financial System

One of the less discussed but important factors is the ability to maintain privacy of ownership. While assets like real estate, stocks, or even bank accounts leave clear legal trails, diamonds offer a significantly higher degree of anonymity.

This is particularly important in an era of increasing government control over capital flows, asset taxation, and cross-border transaction monitoring. Diamonds, when stored in financial centers like Geneva, Dubai, or Singapore, become part of a strategy for **diversifying legal and political risks**.

Role as a hedge against inflation and instability

Global Liquidity Based on Standardization

Although there is no centralized exchange, diamonds maintain high liquidity thanks to the global standardization system. A high 4Cs standard diamond can be valued relatively consistently in New York, Hong Kong, or Antwerp.

This liquidity does not come from large trading volumes but from a **global network of dealers and collectors**, where rare assets always have buyers at any given time.

Restructuring the Diamond Market in 2025–2026

Clear Separation Between Natural and Lab-Grown Diamonds

The development of lab-grown diamonds has created a distinct stratification in the market. While lab-grown diamonds dominate the mass consumer segment due to their lower prices, natural diamonds are increasingly positioned as investment assets.

This leads to a phenomenon similar to the art market: value lies not in utility but in rarity, origin, and irreplaceability. Lab-grown diamonds, being mass-producible, do not meet this criterion.

Market Expansion in Asia and the Middle East

The strong growth of the Indian market and Asian economies reflects the shift in consumer and wealth accumulation centers. The new wealthy class in these regions not only buys diamonds for consumption but also views them as a store of value.

In particular, the culture of tangible asset accumulation in India and the Middle East provides a solid foundation for the long-term demand for natural diamonds, contributing to the stability of the global market.

Prominence of Large and High-Quality Diamond Segment

Diamonds over 3 carats, especially with D-F color and high clarity, are becoming the center of investment activity. The price increase of 15-20%/year not only reflects rising demand but is also a consequence of extremely limited supply.

In this segment, each diamond is almost a unique asset, and its value is often determined through private transactions. This creates a highly personalized market where expert knowledge and relationships play a decisive role.

Diamond Market Structure 2025–2026

Diamond Market Restructuring 2025-2026

The Role of Diamonds in a Modern Asset Portfolio

In the UHNWI portfolio structure, diamonds are not considered a primary growth asset but a complementary asset class with a clear function: preserving value, reducing overall volatility, and offering flexibility in global asset management.

Diamonds typically constitute a small but strategic proportion, similar to art or rare watches. Their value lies not only in their potential appreciation but also in providing a "protective layer" against systemic risks that traditional financial assets can hardly avoid.

The shift of the ultra-rich towards diamonds is not a fleeting trend but a manifestation of a profound change in how assets are perceived. As the world becomes more uncertain, value is measured not only by profit but also by the ability to exist, move, and remain secure.

Diamonds, with their combination of finiteness, portability, and globality, have transcended their role as jewelry to become sophisticated financial instruments. In the hands of those who understand their value, diamonds are not just assets – they are part of a strategy to maintain and protect financial power over time.

Why Jemmia Diamonds Are a Sustainable Value Accumulation Asset for Customers?

In the context of the ultra-rich shifting their focus from growth to asset preservation and flexibility, the criteria for selecting assets are becoming clearer: intrinsic value, mobility, independence from the financial system, and the level of privacy in ownership. High-quality diamonds are among the few assets that can simultaneously meet these requirements.

Jemmia is a Vietnamese diamond brand with strict selection standards to ensure long-term accumulation and global liquidity for its customers.

First, Jemmia **standardizes diamond quality in the high-end segment**. Diamonds have GIA certificates, with high 4Cs criteria (Color: D-I, Clarity: FL-VS2, Cut: Triple Excellent, Fluorescence: None - Medium. This is a group of assets with true rarity in the market, and also the segment preferred by collectors and UHNWIs.

Second, **optimizes liquidity**. Not all diamonds are easily traded. Jemmia focuses only on diamonds with high "market-fit," meaning they can be valued and accepted within the international trading network. Standardization according to global benchmarks allows assets to circulate between markets like New York, Antwerp, or Hong Kong without significant value deviation.

Jemmia diamonds preserve sustainable value thanks to high GIA quality standardization, high international liquidity, and transparent legal status for investors.

Jemmia diamonds preserve sustainable value thanks to high GIA quality standardization, high international liquidity, and transparent legal status for investors

Third, Jemmia diamonds are officially imported, and customs declarations along with related documents can be presented to prove the origin and value of the assets. At the same time, each transaction is accompanied by a clear sales contract, recording full information about the diamond, ownership value, as well as buyback and exchange terms, creating a solid legal basis throughout the holding and transfer process, minimizing information asymmetry – a factor that often reduces liquidity in the diamond market. When information is standardized, the buying and selling process becomes faster and more efficient.

Based on this set of standards, Jemmia diamonds not only meet the criteria for value storage but also embody the characteristics of a sustainable accumulated asset.

Nhung Hoang

Author: Nhung Hoang

Content Writer Specialist

Nhung Hoang là Content Writer Specialist với hơn 3 năm kinh nghiệm nghiên cứu và phát triển nội dung về kim cương tự nhiên và ngành trang sức. Với nền tảng kiến thức được đào tạo trực tiếp bởi Giám đốc hoạch định GIA của Jemmia Diamond, Nhung Hoang tập trung xây dựng các bài viết chuyên sâu về kim cương GIA, trang sức kim cương và xu hướng trang sức, nhằm mang đến những thông tin chính xác và đáng tin cậy cho người đọc.

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