Mumbai diamond trade: India's diamond capital explained

GJEPC: the industry's governing body

The Gem and Jewellery Export Promotion Council (GJEPC) is the apex body for India's gem and jewellery industry, established by the Ministry of Commerce and Industry of the Government of India. Headquartered in Mumbai (GJEPC House, Bandra Kurla Complex, Bandra East, Mumbai 400 051), GJEPC represents over 9,000 member exporters across India (GJEPC institutional information, gjepc.org).

GJEPC's responsibilities include: promoting Indian gem and jewellery exports internationally; collecting and publishing industry trade data (used as the primary source for India's diamond export statistics); implementing India's obligations under the Kimberley Process; providing trade facilitation services including Common Facility Centres; liaising with government on policy affecting the industry; and organizing India's participation in major international gem and jewellery trade fairs.

For buyers, GJEPC is the most reliable source of data on India's diamond industry, its monthly and annual export reports provide documented figures for polished diamond exports by value and volume. For the trade, GJEPC membership is effectively standard for any significant exporter. For regulatory compliance, GJEPC cooperates with CBIC (Central Board of Indirect Taxes and Customs) and the Ministry of Commerce on KP implementation and export documentation.

Key GJEPC export data

GJEPC publishes monthly export data for all gem and jewellery categories. The following figures from GJEPC Annual Report FY 2022-23 provide context for India's diamond industry scale (GJEPC Annual Report FY 2022-23, gjepc.org):

Source: GJEPC Annual Report FY 2022-23, Gem and Jewellery Export Promotion Council, Mumbai. gjepc.org. Note: export values fluctuate year-to-year with commodity prices and demand; verify current figures at gjepc.org for latest data.

Bandra Kurla Complex: Mumbai's diamond trading hub

The Bandra Kurla Complex (BKC) in Mumbai is home to the concentration of India's diamond trading infrastructure. Unlike Antwerp's diamond quarter (Hoveniersstraat) or New York's 47th Street, dedicated retail and wholesale streets, BKC is a modern commercial business district where diamond trading companies are co-located with financial institutions, regulatory bodies, and professional services. The key diamond-related institutions at BKC:

GJEPC headquarters: GJEPC House, BKC, Bandra East, the administrative centre of India's gem and jewellery export industry, where trade facilitation, KP documentation, and export promotion activities are managed.

GIA Mumbai laboratory: NKGSB Co-operative Bank Building, Plot C-10, G Block, BKC, India's only GIA grading laboratory, providing the same grading standards as GIA's Carlsbad headquarters. Natural and lab-grown diamonds submitted here are assessed by the same multi-grader blind process as at any GIA laboratory globally (GIA India laboratory information, gia.edu/locations/mumbai).

Major diamond trading companies: Multiple India-headquartered diamond companies with international operations, including companies with De Beers Sightholding status, maintain offices at BKC. The combination of GJEPC services, GIA certification, banking infrastructure, and customs proximity makes BKC the natural location for premium diamond trading operations.

The Palanpuri Jain community: the network behind the trade

India's diamond trade is dominated by the Palanpuri Jain community, a Jain trading community originally from Palanpur, a city in Gujarat. The Palanpuri network's dominance of India's diamond trade is one of the most remarkable examples of concentrated community commercial expertise in any global industry.

The Palanpuri community entered the diamond trade in the 1940s and 1950s, initially as rough diamond dealers in smaller Indian cities. As the Antwerp diamond trade expanded and the supply of rough from South Africa and later other African nations grew, Palanpuri traders established relationships with Antwerp dealers that gave them access to primary rough supply. They routed this rough to Gujarat artisans, initially in smaller centres and then increasingly in Surat, creating the Surat-Mumbai-Antwerp supply chain that now dominates the industry.

The major Indian diamond companies internationally, including those with De Beers Sightholding allocations (the most prestigious access in the primary rough market), are predominantly Palanpuri community companies. Companies including Rosy Blue, Kiran Gems, Hari Krishna Exports, Shree Ram Krishna Exports, and others are Palanpuri community enterprises that have grown from trading operations to vertically integrated manufacturers with international retail and trading arms. Their combined operations account for a substantial fraction of India's diamond exports (GJEPC data and industry analyses, various; documented in academic studies on the Gujarat diamond trade).

The Palanpuri network's importance for buyers is indirect: it explains why India's diamond market has the supply chain advantages it does. Direct access to primary rough through Sightholding and Botswana government tender relationships, combined with the Surat manufacturing base, means that competitive diamonds in the Indian market have genuinely short supply chains, fewer intermediary margins between mine and consumer than in most other markets.

The Surat-Mumbai axis: manufacturing and trading

Surat and Mumbai together function as a single extended diamond industry cluster, Surat providing the manufacturing capacity, Mumbai providing the commercial infrastructure. Rough arrives at Mumbai, moves to Surat for cutting and polishing (approximately 250km), returns to Mumbai as polished goods, and is traded and exported from Mumbai's commercial infrastructure.

The concentration of diamond cutting in Surat is extraordinary: the city processes approximately 90 percent of the world's rough, employing approximately 700,000 to 800,000 workers in the industry (GJEPC data; documented in industry analyses). The physical infrastructure that connects Surat to Mumbai, road, rail, dedicated customs channels, is one of the enabling factors for India's competitive position. The Surat Diamond Bourse, opened in December 2023, is the world's largest office building by area and was specifically built to consolidate Surat's diamond trading and manufacturing services in one location, reducing some of the Mumbai-Surat logistics overhead for certain commercial operations (Surat Diamond Bourse official information, 2023).

India's diamond export context: what the data shows

India's polished diamond export figures from GJEPC show both the scale of India's industry and the challenges it faces from the lab-grown transition. Key observations from GJEPC trade data (GJEPC Monthly Export Reports and Annual Reports, gjepc.org):

Natural polished diamond exports from India have been under pressure since 2022 as lab-grown diamond prices collapsed and demand shifted. The Rapaport price list shows significant reduction in natural polished prices across most quality categories between 2022 and 2026 (Rapaport Diamond Report, Rapaport Group, New York, various 2022–2026 editions). India's natural polished exports declined from their FY 2022-23 peak as the trade adjusted to lower rough prices, lower polished prices, and the structural shift in consumer demand towards lab-grown goods.

Lab-grown diamond exports from India have grown rapidly, partially offsetting the natural diamond decline. India has become a significant producer of CVD and HPHT lab-grown rough and dominates the cutting and polishing of lab-grown goods, the same Surat workforce and infrastructure serves both natural and lab-grown production (GJEPC Monthly Export Data, gjepc.org; verified by industry trade commentary in Rapaport Magazine and IDEX Online, 2023–2026).

What Mumbai's diamond trade means for buyers in India

For a consumer buying diamonds in India, Mumbai's trading infrastructure has three practical implications:

Shorter supply chains mean competitive pricing: Because India's manufacturers have direct access to primary rough through Sightholding and government tender relationships, and because the Surat cutting base eliminates most cutting centre intermediary costs, the supply chain from mine to Indian jewellery retailer is shorter than in many other markets. This structural advantage translates to genuine price competitiveness for well-specified diamonds, GIA or IGI certified, Excellent cut, appropriate colour and clarity, relative to equivalent goods in Western retail markets.

GIA and IGI certification infrastructure is local: With GIA at BKC and IGI at Zaveri Bazaar and Surat, the certification infrastructure for verifying diamond quality is embedded in the local market. Buyers can verify certificates at the labs that produced them, have suspect stones independently assessed, and access the full documentation chain that supports a certificate. This is a genuine consumer protection advantage relative to markets where the nearest GIA lab is overseas.

The trade knowledge base is concentrated in Mumbai: Professional gemologists, independent appraisers, diamond dealers who will assess stones without a selling interest, all are concentrated in Mumbai's diamond district. For any high-value purchase, Mumbai's professional community provides access to independent expertise that is much less available in smaller cities.

Primary sources cited here