B2B Diamond Supplier & Trusted Diamond Manufacturer in India
Trusted Diamond Manufacturing Partner in India for Retailers & B2B Buyers
Ocean Star Diamonds & Jewellery is a trusted diamond manufacturer in India and reliable diamond supplier based in Surat, Gujarat, serving jewellery retailers and B2B partners across India. With years of experience as a loose diamond manufacturer in India, we support professional buyers with certified diamonds, ethical sourcing, transparent pricing, and dependable supply across multiple categories including lab-grown and fancy colour diamonds.
As a Surat-based diamond manufacturer in India, we focus on consistent stock availability, accurate grading and fast communication. Our goal is to help jewellery businesses grow through reliable sourcing, fair pricing and long-term partnerships across India.
Who we are
Ocean Star Diamonds & Jewellery is a Surat-based diamond manufacturing and trading company serving jewellery businesses across India. As a reliable B2B diamond manufacturer in India, we specialize in certified loose diamonds, lab-grown diamonds, and custom jewelry manufacturing for professional B2B partners.
Backed by a strong industry network, we offer a broad range of diamonds with stable pricing, consistent stock availability, and dedicated business support. We don’t just supply diamonds – we build long-term business relationships founded on transparency, reliability, and trust.
Our mission and values
Mission
To be the most trusted diamond manufacturer in India, delivering ethically sourced, accurately graded diamonds with consistent supply for jewellery retailers and businesses.
Our Core Values
Ethical and transparent sourcing
Scientifically verified diamond certification (IGI, GIA, SGL)
Stable stock and price consistency
Professional communication
Long-term B2B relationships
what we supply
We provide a complete range of stones and services designed for B2B jewellery businesses:
Lab-grown diamonds (all shapes and sizes)
Fancy colour diamonds
Moissanite stones
Custom jewellery manufacturing (CAD to final product)
Our inventory is regularly updated to meet high-demand retail requirements across different price segments.
About Ocean Star
Ocean Star Diamonds & Jewellery is a Surat-based supplier of:
- Lab-grown diamonds
- Fancy color diamonds
- Moissanite stones
- Custom-made jewellery
We work closely with retailers, traders, designers and small jewellery stores across India to help them serve their customers better and grow their business consistently.
Our philosophy is simple: Reliable supply, transparent pricing and fast service.
Why Partner With Us
Here’s what retailers value most about Ocean Star:
Fast stone arrangement
Most requested loose diamonds are sourced and arranged within 2-4 hours, helping retailers close deals quickly.
Strong stock access
Access to 14,000+ carats across popular shapes, sizes and fancy colors - ideal for high-demand retail requirements.
Certified diamonds
We supply IGI, GIA and SGL certified diamonds, ensuring authenticity, consistency, and trust with end customers.
Professional communication
Clear WhatsApp updates, video confirmations, documented details and transparent workflows.
Instant video + certificate support
Gives retailers the confidence to pitch customers instantly with 360° diamond videos & reports.
Custom jewellery support
From reference photo → CAD design → casting → final delivery, we support retailers with complete B2B custom jewelry production.
Fair & Consistent Pricing
No hidden charges, no sudden price jumps, only stable business-friendly pricing.
Secure PAN India Delivery
Using trusted logistics partners, we provide safe, insured and fast shipments across India.
Who We Serve
We work strictly with B2B jewellery businesses, including:
Retail jewellery stores • Independent diamond traders • Jewellery designers • Boutique jewellery brands • Jewellery manufacturers
Our Working Process
1. Inquiry Submission
Retailer shares stone requirements and budget.
2. Curated Selection
We provide shortlisted diamonds with certificates and 360° videos.
3. Confirmation / Hold
Selected stones are placed on a 24-hour soft hold.
4. Payment & Dispatch
Fast dispatch across PAN India within 1-3 business days.
Quality Assurance & Certifications
All diamonds are sourced from verified and ethical partners. Every stone passes through strict internal quality checks before dispatch.
We work with trusted grading laboratories such as :
Gemological Institute of America (GIA),
International Gemological Institute (IGI) and
GCAL Diamond Certification to ensure global authenticity and grading accuracy.
All certificates are verified for accuracy and authenticity.
What Retailers Get
- Daily relevant stock updates
- Friday Fancy Color drops
- Weekly Value-for-Money stock
- Priority sourcing for urgent clients
- Soft hold / reservation option
- Custom jewellery on demand
- Full certificate verification
- Transparent operational guidelines
B2B Operating Policies
Process
- Inquiry: Retailer submits a request via email or our B2B portal specifying budget and stone parameters
- Selection: We provide a curated list of available stones with certificates and 360-degree videos.
- Confirmation: Upon selection, the stone is placed on “Hold” for 24 hours pending payment or memo approval.
- Delivery 1–3 days ( PAN India Selected Locations)
- Easy billing & GST invoicing
Logistics & Shipping
- Carrier: We utilize secure logistics partners (DTDC, DHL, Local Angadiya) for all Pan India shipments.
- Insurance: All shipments are fully insured door-to-door until signed for by the retailer.
- Turnaround: Loose stones are dispatched within 24–48 hours. Custom jewelry timelines are 10–14 business days.
Terms of Trade
Payment Protocols
- All invoices are denominated in USD unless otherwise agreed.
- Accepted methods include Bank Wire (T/T) and Advance Payment.
- Credit terms may be extended to long-standing partners subject to credit insurance approval.
Memo (Consignment) Policy
- Memo services are available for approved partners for high-value stones (5ct+ or Fancy Colors).
- The memo period is strictly limited to 7 days.
- Shipping and insurance costs for memo goods are the responsibility of the retailer.
Compliance (KYC)
- All partners must complete a Know Your Customer (KYC) verification process.
- Valid business licenses and tax identification numbers are mandatory prior to the first transaction.
We are committed to providing 24/7 support to accommodate various time zones.
Dispute Resolution
Any credit-related disputes will be resolved under the jurisdiction of:
- Surat, Gujarat (India)
- This location is final and binding for all parties
Contact
- Ocean Star Diamonds & Jewellery
- 3, Savani Ind. Soc., Kohinoor Road, Mini Bazaar,
Surat – 395006 - Website: ocsdiamond.com
- Sales: +91-9510640173
- Accounts: +91-8200524191
- Email: info@ocsdiamond.com
FAQ - Diamond manufacturer in India
1. Are you a certified diamond supplier and diamond manufacturer in India? ▾
2. Where is your diamond business located in India? ▾
3. Do you work only with B2B jewellery businesses? ▾
4. Do you offer wholesale diamond supply in India? ▾
5. Can I request specific diamond shapes and sizes? ▾
6. Do you supply lab grown diamonds for retailers? ▾
7. How fast can you arrange diamonds? ▾
8. Do you provide diamond videos and certificates? ▾
9. Do you offer secure insured delivery across India? ▾
10. Are you a Surat-based diamond supplier and diamond manufacturer in India? ▾
11. Do you supply bulk loose diamonds? ▾
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Contact
- Ocean Star Diamonds & Jewellery
- 3, Savani Ind. Soc., Kohinoor Road, Mini Bazaar,
Surat – 395006 - Website: ocsdiamond.com
- Sales: +91-9510640173
- Accounts: +91-8200524191
- Email: info@ocsdiamond.com