International News
Cash transaction curbs hit Hong Kong diamond trade, impacting its competitiveness.
Cash transaction curbs hit Hong Kong diamond trade, impacting its competitiveness.
Hong Kong’s jewellery trade shows, historically significant hubs for diamond and gemstone transactions, are undergoing a period of significant transformation. Recent regulatory changes, particularly the elimination of cash transactions for diamond dealers, have fundamentally altered the market dynamics. This analysis examines the impact of these changes, the resulting challenges, and potential future implications for the industry.
Hong Kong has long been a vital center for the global jewellery trade, renowned for its strategic location, established infrastructure, and vibrant trade shows. Historically, the city’s appeal lay in its status as a cash market, facilitating swift and discreet transactions, particularly in diamonds.
Hong Kong’s position as a prominent cash market has been compromised, impacting its competitiveness. This has caused a decrease in some of the revenue that was historically generated at the trade shows. Compounding the challenges posed by regulatory changes is the simultaneous decline in Chinese diamond demand.
The implementation of regulations prohibiting cash transactions for diamond dealers two years ago has significantly disrupted the traditional trading practices. This change has eliminated a key attraction for dealers who relied on the anonymity and speed of cash transactions. This regulatory change was likely implemented to increase transparency, prevent money laundering, and adhere to international financial standards.
Exhibitors are now required to display regulatory certifications, indicating a heightened focus on compliance. The presence of Hong Kong’s Customs and Excise Department representatives at trade shows underscores the government’s commitment to enforcing cash rules. This has increased the level of trust in the market, for legitimate businesses.
Hong Kong’s jewellery trade shows are navigating a period of significant change driven by regulatory adjustments and evolving market dynamics. While the elimination of cash transactions has posed challenges, it also presents an opportunity to strengthen the industry’s integrity and long-term sustainability. By embracing digital innovation, diversifying market focus, and maintaining a strong regulatory framework, Hong Kong can solidify its position as a leading global jewellery trading hub.
• Increased Compliance and Transparency
• Decline in Cash Market Status
• Weakened Chinese Diamond Demand
This external factor further exacerbates the difficulties faced by the Hong Kong jewellery trade.
Challenges and Implications:
• Reduced Transactional Volume:
The elimination of cash transactions may have led to a decrease in the overall volume of transactions at trade shows, as some dealers may have shifted to alternative markets.
• Shift in Market Dynamics:
The industry is adapting to a new era of transparency and compliance, requiring adjustments in business practices and strategies.
• Competitive Pressure:
Hong Kong faces increased competitive pressure from other jewellery trading hubs that may offer more flexible transaction options.
Impact on Small and Medium-Sized Enterprises (SMEs):
Smaller businesses that relied on cash transactions may be disproportionately affected by the regulatory changes.
Need for Digital Adaptation:
The industry must embrace digital transaction methods and technologies to remain competitive.
Potential Future Strategies
Enhancing Digital Infrastructure:
Investing in secure and efficient digital payment systems to facilitate seamless transactions.
Diversifying Market Focus:
Exploring new markets and diversifying product offerings to mitigate the impact of declining Chinese demand.
Strengthening Regulatory Framework:
Maintaining a strong and transparent regulatory framework to build trust and attract reputable businesses.
Promoting Hong Kong’s Strengths:
Highlighting Hong Kong’s strengths, such as its established infrastructure, skilled workforce, and strategic location, to attract international buyers.
Focus on high end goods:
Hong Kong could focus on becoming the high end market for very expensive and rare stones, where the added security and regulations are a positive.
International News
Gemfields Reports Updated G-Factor Metrics, Highlights Government Revenue Contributions
10-year Data Underscores Fiscal Impact From Kagem and Montepuez Operations Amid Evolving Market Conditions
Gemfields has released its latest G-Factor for Natural Resources figures, offering an updated view of how its mining operations contribute to host government revenues. The data, announced on April 9, 2026 in London, covers the period up to December 31, 2025.
Over the 2016–2025 period, the company reported a G-Factor of 17% for its Kagem emerald mine in Zambia and 26% for Montepuez Ruby Mining in Mozambique. The G-Factor measures the share of revenue paid to governments through channels such as royalties, taxes, dividends, and other levies, offering a transparent benchmark of economic contribution.
Looking specifically at 2025, Montepuez Ruby Mining recorded a G-Factor of 23%, contributing $11.3 million to the Government of Mozambique on revenues of $49.9 million. Meanwhile, Kagem posted a lower 6% G-Factor, with $4.9 million paid to the Zambian government against revenues of $84.1 million.


The dip at Kagem was linked to operational disruptions, including a temporary suspension of mining between January and April 2025, as well as the impact of a 15% export tax on precious gemstones, which was later lifted in March 2025.
CEO Sean Gilbertson noted that the figures reflect varying operating and market conditions. While Montepuez saw lower premium ruby output, alongside a delayed auction and challenges such as illegal mining, its overall contribution ratio remained relatively stable.
Introduced in 2021, the G-Factor serves as a transparency tool for the natural resources sector, helping stakeholders assess how effectively resource extraction translates into public revenue.
Gemfields expects Kagem’s performance to move back toward its long-term average of around 18% as operations normalise and market dynamics improve. The company continues to advocate for wider industry adoption of the metric to enhance accountability and comparability across the sector.
The G-Factor for Natural Resources is expressed as a percentage and is calculated as:
Ap + Bp + Cp + Dp
—————————————
Ep
where:
· A = the total mineral royalty (tax on revenue) paid by the reporting company to the host
country government during the period
· B = the total corporation tax (tax on profit) paid by the reporting company to the host
country government during the period
· C = the dividends paid by the reporting company to the host country government during
the period (where the host country government is a shareholder in the reporting company)
· D = the total export taxes or export levies paid by the reporting company to the host
country government during the period
· E = the total revenues of the reporting company during the period
· p = the relevant period, typically calculated for each of (i) the prior year; (ii) the preceding
5 years and (iii) the preceding 10 years
· The sums actually paid during the period (rather than the sums accrued or falling due during
the period) are used for A, B, C, and D.
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