What Kiran Gems does

Kiran Gems Private Limited, founded in 1985 and headquartered in Mumbai, is the world's largest manufacturer of ethically sourced natural polished diamonds and India's premier diamantaire. The company operates 138–160 specialized production units concentrated in Surat and Ahmedabad with approximately one million square feet of factory space and a trained workforce of 35,000+ artisans. It processes 5–6 million carats of rough diamonds annually and produces 1.37–1.6 million carats of polished diamonds annually, covering rounds, fancies, certified (GIA/IGI/HRD/NGTC/IIDGR) and non-certified goods from 0.005 up to 5.00 carats across nearly 2,000 standard assortments.

The technology backbone centers on 100% Sarine machine planning and marking (the only large company globally to do so), first-in-industry installation of IIDGR's Automated Melle Screening (AMS) and M-Screen machines for CVD/synthetic detection (500 carats per event), Galaxy/Helium rough processing systems, laser bruiting machines, and an RFID-based same-day shipping system for parcels up to 5,000 pieces. Distribution runs through owned sales offices in Mumbai, Surat, Dubai (DMCC and Kiran Kreations FZCO), and New York, supplemented by channel partners in Hong Kong, Thailand, Belgium, and Vietnam. The GemKOnline portal offers 24x7 real-time inventory access with API connectivity for B2B/B2C integration, and the Diamond Layouts service extends into curated matched-diamond arrangements.

The business model is B2B transaction-based pricing aligned to Rapaport standards under a global "One Price Policy" for certified diamonds, with subsidiary Kiran Jewels handling finished bridal, fashion, and basic diamond jewelry for export. Kiran Gems serves 3,200+ customers across 39+ countries — jewelry manufacturers, watch brands, retailers (6,000+ retailer doors via Kiran Jewels), diamond traders, and luxury brands — with 97% repeat-customer retention. Strategic supply is anchored by its De Beers Group Sightholder status (since 2005) and Responsible Jewelry Council certification, supported by sourcing from Rio Tinto and Dominion.

Name

Kiran Gems

Legal name

Kiran Gems Private Limited

Website

https://kirangems.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Kiran Gems is the world's largest manufacturer of ethically sourced natural polished diamonds, processing 5–6 million carats of rough annually and serving 3,200+ jewelry manufacturers, watch brands, retailers, and traders across 39+ countries from India.

Ownership category

akta.pro rank

Product category

Polished Diamond Manufacturing

NAICS

Jewelry and Silverware Manufacturing (33991), Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers (42394), Jewelry Retailers (458310)

SIC

Jewelry, Precious Metal (3911), Wholesale-Jewelry, Watches, Precious Stones & Metals (5094), Jewelry, Silverware & Plated Ware (3910)

akta.pro primary industry

Diamond Cutting & Polishing (Manufacturing) (CRAKAJAA)

akta.pro secondary industries

Diamond Jewelry (CRAKAAAA), Rough Diamond Trading & Brokerage (CRAKAJAC)

Keywords

• Polished diamond manufacturing
• Natural diamond processing
• Diamond cutting and polishing
• Rough diamond sorting
• Diamond jewelry production

Headquarters

HQ city

Mumbai

HQ country

India

HQ region

Asia

Offices9 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Polished Diamond Sales: B2B sales of natural polished diamonds (rounds and fancies) in all shapes, colors, clarities, and sizes from smallest up to 5.00 carats. Sells to jewelry manufacturers, retailers, watch brands, and diamond dealers globally.
2. Diamond Layouts and Bespoke Services: Custom diamond layout programs and bespoke quality sorting services, product coding, and laser inscription services as per brand requirements.
3. Jewelry Manufacturing: Kiran Jewels subsidiary produces and exports diamond jewelry including bridal, fashion, and basic collections in gold and platinum.
4. Certified and Non-Certified Diamonds: Offers both certified diamonds (GIA/IGI/HRD/NGTC/IIDGR) and non-certified goods with multiple certification options.

Pricing tiers

Go-to-market motion4 records

Distribution channels5 records

Marketing channels7 records

Core offering

Kiran Gems manufactures and exports ethically sourced natural polished diamonds in rounds and fancies, in all shapes, colors, clarities, and sizes from the smallest up to 5.00 carats. It processes 5–6 million carats of rough diamonds annually into approximately 1.6 million carats of polished diamonds across 138–160 specialized manufacturing units, selling certified (GIA/IGI/HRD/NGTC/IIDGR) and non-certified diamonds, parcels and assortments, Diamond Layouts, and finished jewelry through its Kiran Jewels sub-brand. The company also operates GemKOnline, a 24x7 e-commerce trading portal with API connectivity for B2B clients.

Product overview

Kiran Gems is the world's largest manufacturer of ethically sourced natural polished diamonds, operating as a De Beers Group Sightholder and Certified Member of the Responsible Jewelry Council. The company offers a comprehensive portfolio centered on natural diamonds: Certified Diamonds (GIA/IGI/HRD/NGTC/IIDGR certified rounds and fancies), Non-Certified Diamonds (IF to Pique clarity, 0.005-3 carats), and Parcel & Assortments services. The product ecosystem is supported by GemKOnline, a 24x7 e-commerce portal with API connectivity and real-time inventory; Diamond Layouts for bespoke curated diamond arrangements; and Kiran Jewels for finished diamond jewelry. Products are distributed globally through offices in Mumbai, Surat, UAE, and USA with channel partners across multiple geographies.

Differentiator

Problem solved

Functional benefit

Brands

• Kiran Jewels: Domestic fine diamond jewelry production and marketing arm of Kiran Gems, featuring collections like Ada, Aamrapali, Myra, Aabha, Kalakriti, Swara, Ruza, Treya, Zuri, Ira, and Pride.
• BYDs (Bidding with Diamond stones)

Products and services

• Certified Diamonds Certified round brilliant and fancy shape natural polished diamonds with clarities ranging from IF to SI2 and sizes 0.18 to 3 carats, certified by GIA/IGI/HRD/NGTC/IIDGR. Sold to jewelry manufacturers, retailers, watch brands, and diamond dealers globally under the One Price Policy.
• Non-Certified Diamonds Non-certified round and fancy shape polished diamonds ranging from IF to Pique clarity, sizes 0.005 to 3 carats, with superior makes. Graded using Kiran's own parameters to save certification cost for customers.
• Parcel and Assortment Services Microscope assorted parcels, calibrated diamond parcels, colorless and H&A diamond assortments, specific color programs, and bespoke quality sorting services. Offers nearly 2,000 standard assortments packaged through rigorous quality checks.
• Diamond Layouts Curated layouts of perfectly matched diamonds designed to bring precision and elegance to jewelry creations. Includes bespoke arrangement services tailored exclusively for customer requirements.
• Kiran Jewels (Diamond Jewelry) Diamond jewelry production and marketing arm of Kiran Gems, offering Basics, Bridal, and Fashion collections in gold and platinum, with manufacturing facilities in Sachin, Gujarat. Top five jewelry vendor in the United States by volume, servicing over 6,000 major retailer doors worldwide.
• GemKOnline (E-Commerce Diamond Trading Portal) 24x7 online diamond trading platform providing access to Kiran's largest inventory with real-time stock updates, Virtual Loupe (360-degree HD video), One Price Policy, RFID-based fastest delivery, and API connectivity for B2B customers and e-tailers.
• BYDs (Bidding Your Diamonds) Online bidding platform for diamond trading providing real-time bidding, transparent grading information, and efficient diamond purchasing for global diamond traders.

Quantifiable outcome

• 97% repeat customer rate
• +4 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature7 records

Partnerships

Twelve partnerships are on record, tiered core, major and minor.

• De Beers GroupcoreStrategic or Co-development PartnerKiran Gems is a Sightholder of De Beers Group, enabling direct access to rough diamond purchases from the world's largest diamond mining company. This partnership is fundamental to Kiran's supply chain and ethical sourcing credentials.
• Responsible Jewelry Council (RJC)coreStrategic or Co-development PartnerKiran Gems is a Certified Member of the Responsible Jewelry Council, adhering to ethical, human rights, social and environmental standards. The company has adopted RJC policies and procedures for responsible business practices.
• Sarin TechnologiescoreTechnology or IntegrationKiran Gems is the only large company globally to do 100% of planning and marking of rough diamonds on Sarine machines. Holds records for highest number of Sarine machines including Planner Machines, Nano/XL Machines, Galaxy/Solaris systems, and Workstations.
• HRD AntwerpmajorTechnology or IntegrationKiran Gems received the 2000th D-Scope ever produced by HRD Antwerp. Uses HRD equipment including D-Scope microscopes for diamond grading and analysis, and Diamond Sure machines for synthetic detection.
• IIDGR (International Institute of Diamond Grading & Research)majorTechnology or IntegrationKiran Gems was the first to get IIDGR's Automated Melle Screening (AMS) Machine commissioned. AMS is the most advanced machine with latest technology in CVD screening, screening 500 carats per event.
• GJEPC (Gem & Jewellery Export Promotion Council)coreStrategic or Co-development PartnerKiran Gems maintains active partnership with GJEPC, winning the Highest Exporter of Cut & Polished Diamonds award for 12 consecutive years and numerous other accolades from India's apex body for gem and jewellery export promotion.
• Rio TintomajorStrategic or Co-development PartnerKiran Gems sources rough diamonds from Rio Tinto as part of its ethical sourcing strategy alongside De Beers and other major mining companies.
• Dominion Diamond CorporationmajorStrategic or Co-development PartnerKiran Gems sources rough diamonds from Dominion as part of its diversified ethical sourcing from major mining companies globally.
• Goldstar JewelleryminorStrategic or Co-development PartnerGoldstar Jewellery, along with Kiran Gems and GJEPC, welcomed the India-US Interim Agreement reducing tariffs on jewellery and precious stones from 50% to 18%.
• Bharat Diamond Bourse (BDB)majorStrategic or Co-development PartnerKiran Gems relocated headquarters to 12,000 sq. ft. office space in Bharat Diamond Bourse in Bandra-Kurla Complex, Mumbai. Participated in BDB vaccination drives and other industry initiatives.
• Umang FoundationminorStrategic or Co-development PartnerKiran Gems partners with Umang Foundation for CSR initiatives including blood donation camps and the Kiran Premier League 'Play for Cause' events supporting child welfare and potable drinking water facilities.
• Kiran HospitalminorStrategic or Co-development PartnerKiran Gems is the key donor to Kiran Hospital, the only multi-super specialty hospital in entire Gujarat, supporting healthcare access for the community.

Scale indicators13 records

Recent moves10 records

Expansion highlights5 records

Broad incumbents

• De Beers Group: World's leading diamond miner and Kiran's principal rough supplier through the Sightholder system; an upstream incumbent that also markets polished and branded diamonds downstream, partially overlapping with Kiran's downstream ambitions.
• Signet Jewelers: World's largest jewelry retailer (Kay, Zales, Jared) and a major downstream buyer of polished diamonds; not a manufacturing peer but a key customer and adjacent player shaping polished-diamond demand and ESG sourcing standards that affect Kiran's sales.

Direct peers

• Rosy Blue: Global diamond manufacturer with Indian manufacturing roots and Belgian (Antwerp) heritage; De Beers Sightholder producing polished diamonds across the same size/clarity spectrum, directly competing for the same jewelry-manufacturer and watch-brand customer base.
• Venus Jewel: Mumbai-based De Beers Sightholder and one of India's leading natural polished-diamond manufacturers, with overlapping product breadth (rounds, fancies, certified, non-certified) and similar customer mix of jewelry manufacturers, retailers, and watch brands.
• Hari Krishna Exports: Mumbai-based manufacturer and exporter of natural polished diamonds, founded 1986; among India's largest diamond manufacturers with multi-million-carat annual output, competing head-to-head with Kiran Gems in rounds, fancies, and certified/natural diamond supply to global jewelry brands.
• Diarough Group: Indian-origin diamond manufacturing group producing polished diamonds across sizes and shapes, including melee and certified goods, with global offices — a comparable scale manufacturer competing in overlapping B2B polished-diamond markets.
• Leo Schachter Diamonds: Global polished-diamond manufacturer with rough sourcing, cutting/polishing, and bespoke layout capabilities serving jewelry brands worldwide; competes with Kiran in certified fancy shapes, layouts, and brand-program supply.
• Taché (Leibish & Co.): Specialist fancy-color and natural polished-diamond manufacturer/distributor with online B2B and B2C channels; comparable niche in certified fancy shapes and brand-direct programs that overlaps with Kiran's certified fancy diamond and Diamond Layouts offerings.
• Asian Star Company (Alesandra): Mumbai-headquartered diamond manufacturer and jewelry exporter; one of the largest Indian diamantaires with operations spanning rough sourcing, polishing, and jewelry manufacturing — comparable scale, product mix, and customer base to Kiran Gems.

Others

• ALROSA: Russian state-owned diamond miner and one of the world's largest rough producers; an upstream supplier ecosystem participant whose allocations and pricing directly influence Kiran's rough procurement cost and supply availability.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/kirangems
• YouTubeyoutube.com/thekirangems
• Facebookfacebook.com/KiranGems
• LinkedInlinkedin.com/company/kiran-gems-private-limited
• Instagraminstagram.com/kiran_gems

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kiran Gems