B2B Diamonds

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Master jeweller setting diamond into ring
TRUSTED BY JEWELLERS WORLDWIDE

B2B Diamond Wholesale Supplier for Jewelers Worldwide

Wholesale supply, custom manufacturing, melee, and private-label diamond solutions for jewellers, brands, and manufacturers worldwide. Consistent make, transparent grading, and honest B2B relationships.

1,000+
Carats / Month
100%
B2B Wholesale Focus
30+
Countries Shipped

Request Sample Parcel & Pricing

Start with a trial order to test our quality, grading consistency and logistics.

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WHAT WE SUPPLY

Lab Grown Diamonds for Jewellers & Jewellery Brands

01

Wholesale Lab-Grown Diamonds for Jewellers

Access massive inventories of CVD and HPHT diamonds with direct-to-manufacturer pricing and laboratory certifications.

02

Bigger Looks at Better Prices

Enable your customers to scale up in size without compromising on clarity or cut quality.

03

Vetted Suppliers, Consistent Quality

We don't just broker; we verify. Every parcel is inspected for hue, graining, and secondary colors.

04

Positioning Lab Grown in Your Store

Strategic advice on merchandising and storytelling for the modern conscious consumer.

WHAT WE SUPPLY

Natural Diamond Wholesale Supplier for Professional Jewellers

01

We Are a Wholesale Supplier

Direct sourcing from primary markets ensures competitive pricing and provenance tracking.

Direct Source
Wholesale Only
02

Natural Diamonds for High-Trust Occasions

Sourcing the rarest stones for bespoke engagement rings and generational investment pieces.

Ethically Sourced
Conflict Free
03

Consistent, Certified Supply

GIA, IGI, and HRD certified diamonds always available in our global inventory.

GIA Certified
IGI Certified
04

Positioning Natural Diamonds in Your Store

Expert market analysis and price forecasting for retail inventory management.

Market Insights
Retail Strategy
OUR CLIENTS

Who We Work With

Independent retail jewelers National jewelry chains DTC and online-only brands Bespoke workshops Private-label brands Manufacturers Jewelry designers Watch brands Auction houses and dealers Corporate gifting companies Gem and mineral dealers
Diamond sorting and grading workbench
WHY US?

Why Jewelers Choose Us as Their Diamond Wholesale Partner

We believe trust is engineered through transparency, discipline, and accountability. Our core pillars define how we operate.

verified

Consistent Quality

Eliminate the risk of variance. Our "make" is uniform across every batch, ensuring your finished pieces maintain brand standards.

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Global Shipping

Fully insured, door-to-door delivery across 30+ countries. We handle the complexity of customs and logistics for you.

analytics

Transparent Grading

No "loose" grading. We adhere strictly to international standards, providing honesty in every certificate we provide.

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B2B-First Account Service

Dedicated account managers who understand your business needs, not just a checkout screen.

all_inclusive

Natural & Lab Grown

A dual-inventory model that allows you to source everything your showroom needs from a single, trusted partner.

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Certified & Verified

Every stone is certified on paper and verified by the human eye at our QC labs in Mumbai and Surat.

OUR PROCESS

How Our B2B Process Works

A structured procurement process designed to remove friction from your supply chain.

STEP 01

Initial Consultation

Understanding your inventory requirements, brand positioning, and pricing targets.

STEP 02

Assortment & Pricing

Our gemologists curate specific parcels or stones based on your technical specs.

STEP 03

Sample / Trial Order

Test our physical goods and grading consistency before committing to bulk volume.

STEP 04

Regular Supply

Weekly or monthly replenishment schedules tailored to your retail sales velocity.

STEP 05

Scale Up

Priority access to new production runs and preferred manufacturing slots.

Frequently Asked Questions

Everything you need to know about working with B2B Diamonds as your wholesale diamond supplier.

Who is the best type of customer for your diamond wholesale business? expand_more
We work best with professional jewellers, jewellery brands, retailers, manufacturers, and watch companies who need a reliable, long-term diamond supply partner. Whether you run an independent store, an online brand, or a large-scale manufacturing operation, our model is built for recurring B2B relationships, not one-off consumer sales.
Do you supply both natural and lab grown diamonds? expand_more
Yes. We maintain a dual-inventory model covering both natural and lab grown diamonds. This allows our clients to source everything their showroom or production line needs from a single, trusted partner, without having to manage multiple supplier relationships.
What certifications do your diamonds come with? expand_more
All stones above 0.30ct are typically certified by GIA, IGI, or HRD. For lab grown diamonds, we primarily use IGI certification, which is the industry standard for laboratory-grown stones. We also provide in-house QC reports for melee parcels.
How do you ensure your natural diamonds are conflict-free? expand_more
All our natural diamonds are sourced in full compliance with the Kimberley Process Certification Scheme. We work only with reputable sights and verified suppliers, and we maintain provenance documentation for every parcel. Ethical sourcing is non-negotiable.
Are lab grown diamonds more sustainable than mined diamonds? expand_more
Lab grown diamonds require no mining, which eliminates land disruption and significantly reduces the environmental footprint associated with extraction. While they do require energy to produce (via CVD or HPHT methods), many producers are transitioning to renewable energy sources, making the sustainability case stronger over time.
Can you help us choose the right assortment for our store or brand? expand_more
Absolutely. Our team works with you to understand your price points, customer profile, and design language, then curates a recommended assortment. Whether you need a starter pack for a new store or a refresh for an established brand, we tailor every parcel to your needs.
Do you export diamonds internationally? expand_more
Yes. We ship to 30+ countries worldwide using specialized couriers like Malca-Amit and Brinks. All shipments are fully insured, door-to-door, and we handle the complexity of customs documentation and logistics so you don't have to.
What is your typical minimum order quantity (MOQ)? expand_more
We cater to businesses of all sizes. For regular wholesale accounts, we typically suggest a starting parcel of 1-3 carats for melee or specific single stones for bespoke projects. We also offer sample/trial orders so you can test our quality and grading consistency before committing to volume.
Can you supply matched pairs and layouts for jewelry sets? expand_more
Yes. We specialize in custom melee sorting and matched-pair selection, providing perfectly coordinated parcels in terms of color, clarity, and dimensions to fit your specific jewellery designs, watch dials, or set layouts.
How do you handle price volatility in natural and lab grown diamonds? expand_more
We provide transparent, real-time pricing and work closely with our clients to manage cost expectations. For natural diamonds, we offer market analysis and price forecasting. For lab grown, we maintain competitive pricing by working directly with manufacturers and passing efficiency gains to our partners.

Ready to Talk B2B Diamond Supply?

If you're looking for a long-term wholesale diamond partner, not another 'discount of the day' seller.

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