Exquisite macro photography of a perfectly cut diamond resting on a dark reflective surface. The lighting is dramatic and highly controlled, highlighting the brilliant facets and internal reflections of the gemstone. Soft, elegant champagne and ivory tones subtly illuminate the background, creating a high-end luxury aesthetic suitable for a premium jewelry brand. The focus is entirely on the precision and clarity of the diamond.
Beyond Precious

Wholesale Diamond Supplier for Jewelers Worldwide

TR GEMS is a primary diamond manufacturer providing certified natural diamonds, fancy coloured, and matched-pair diamonds for jewelers, wholesalers, and jewelry manufacturers globally.

Gemological Authority

Certified Natural Diamonds

We manufacture and supply GIA certified diamonds. Every natural diamond in our inventory is mined ethically under Kimberley Process guarantees. Our gemologists examine and cut each stone with micron-level precision to maximize light return, brilliance, and fire.

From triple excellent round brilliants to custom-cut fancy silhouettes, our certified loose natural diamonds represent the pinnacle of wholesale supply.

Certified natural diamonds for jewelry manufacturers being inspected under professional light at our Surat facility.
Bespoke Sourcing & Manufacturing

Diamond Sourcing Services

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Rare Spec Sourcing

Need a specific layout, color, or a large single natural diamond? Our global sourcing network acquires conflict-free rough stones tailored to your criteria.

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Custom Cutting

Our cutting facility utilizes state-of-the-art software and tools to polish custom facet designs and bespoke shapes, calibrated to your digital model files.

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Calibrated Bulk Supply

We supply matching pairs, sets, and side stones matching exactly in dimensions, color, and clarity base to keep jewelry manufacturer pipelines smooth.

The TR GEMS Edge

Why Choose Us

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Ethically Sourced

100% of our natural diamonds are conflict-free and compliant with the Kimberley Process, securing your brand's integrity.

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Precision Manufacturing

Polished to triple excellent tolerances at our Surat factory, ensuring unmatched sparkle and light output.

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Direct B2B Pricing

Work directly with primary manufacturers. Eliminate middleman markups for wholesalers and retailers.

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Insured Global Logistics

Secure transport via Malca-Amit, Brinks, and FedEx, providing insured delivery to jewelry manufacturers globally.

Tailored Solutions

Industries We Serve

Jewelers

High-grade loose diamonds, bespoke matched pairs, and side stones for artisan jewelers and high-jewelry custom houses.

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Retailers

Turnkey diamond programs, GIA certified stones, and point-of-sale catalog support for premium jewelry boutiques.

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Jewelry Manufacturers

Consistent scale, calibrated dimensions, and volume allocations to support large-scale jewelry manufacturing lines.

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Wholesalers

Assorted bulk parcels, competitive pricing, index-linked valuations, and secure global export services.

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International Delivery

Global B2B Diamond Supply

Supplying fine diamonds to global trade centers requires logistic precision. We export securely to major markets including New York, Antwerp, Hong Kong, Dubai, and Tel Aviv. Our shipping workflow is optimized for customs duty declarations and compliance.

50k+
Stones Monthly
15+
Countries Served
World route map highlighting B2B diamond shipping routes from Surat to global wholesalers.
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Request a Quote

Partner with TR GEMS for reliable wholesale diamond supply. Submit your specifications—including shape, carat weight, color, clarity, and certified laboratory preference. Our B2B sales team will compile inventory matches and contact you within 24 hours.