Lab Grown Diamond Suppliers for Retailers & Manufacturers
Lab Grown Diamond and Moissanite Suppliers for Retailers & Manufacturers
Trusted Loose Diamond Supplier for Retailers & Manufacturers - Ocean Star Diamond
Source wholesale lab grown diamonds and moissanite stones directly from a trusted B2B supplier. OCS Diamond provides IGI certified and non-certified loose diamonds for retailers, manufacturers, and bulk buyers with consistent grading, scalable supply, and global delivery.
OCS Diamond(Ocean Star Diamond) is a leading lab grown diamond supplier based in Surat, serving global diamond retailers and manufacturers.
Wholesale Loose Diamonds & Moissanite for Retailers
Explore a complete range of wholesale loose lab grown diamonds and moissanite stones designed for high-volume sourcing. From calibrated melee to certified larger stones, our inventory supports consistent supply for global diamond retailers and manufacturers.
Lab Grown Diamond Suppliers for Loose Diamonds
As trusted lab grown diamond suppliers, we deliver loose diamonds with the ideal balance of brilliance, quality, and cost efficiency. Designed for the diamond trade, our stones support manufacturing, private labels, and retail programs.
Available as loose diamonds in DEF and GHI color grades, our inventory is curated by expert lab grown diamond suppliers to ensure consistency for engagement rings, earrings, and repeat production designs.
Source unique collections from lab grown diamond suppliers offering Blue, Pink, and Yellow fancy color diamonds. Multiple intensity options help retailers and manufacturers create standout designs.
Wholesale Moissanite Stones Supplier
As part of our supplier network, we provide loose moissanite stones precision-cut for brilliance, offering flexibility for retailers across multiple price segments.
High-quality white moissanite stones in FG and IJK grades, available in sizes up to 15 carats. Ideal for bold, high-impact designs that demand fire and clarity.
Our colored moissanite stones are available in vibrant shades including Blue, Green, Yellow, Champagne, Grey, and more. Perfect for custom diamond programs and unique design collections.
Loose Diamonds Ready for Wholesale Supply
All diamonds and stones are supplied loose, calibrated, and ready for manufacturing or resale, sourced from reliable lab grown diamond suppliers focused on long-term supply consistency.
Secure Wholesale Diamond Access for Verified Retailers
Lab Grown Diamond Supplier Platform (Live Inventory Access)
Our platform is purpose-built for the diamond trade, offering controlled access to live wholesale inventory while protecting pricing integrity and supplier relationships.
Inventory visibility and real-time pricing are reserved exclusively for approved retailers, manufacturers, and trade professionals.
Secure Live Tables
Real-time availability of GIA & IGI certified diamonds.
Pricing in INR
Transparent wholesale rates updated with daily market trends.
Custom Quotes
Bespoke sourcing for unique or high-carat requirements.
Trade Integrity
Professional-only portal ensuring market price protection.
Access Our Live Wholesale Loose Diamonds Inventory
Certified Stock for Retailers & Trade Buyers
Explore our up-to-date inventory of certified loose diamonds available for immediate B2B supply. All stones are graded by SGL, GIA or IGI and priced transparently for registered trade partners.
Search by shape, carat, and price for precise selection. Exclusive access is available for registered B2B buyers.
Lab Grown Diamond Suppliers in Surat : Direct Factory Supply
Harnessing the power of the world’s diamond capital to provide retailers and wholesalers with unmatched manufacturing precision.
Uncompromising Quality Control
Every batch of wholesale lab grown diamonds undergoes strict inspection to meet international grading standards.
Reliable Bulk & Repeat Supply
Factory-linked infrastructure ensures consistent availability for running designs and high-volume programs.
Agile Custom Manufacturing
Fast turnaround on make-to-order diamonds, custom proportions, and specification-based requirements.
Direct-to-Source Wholesale Pricing
By eliminating unnecessary intermediaries, we pass manufacturing cost advantages directly to our trade partners.
Direct Trade Communication
Transparent, professional communication with sourcing and production teams ensures accuracy at every stage.
B2B Trade Excellence: Ocean Star Diamonds is a dedicated trade partner. We do not operate as a retail storefront or a public marketplace, ensuring our loyalty remains with our professional retailer partners.
Certified Lab Grown Diamond Suppliers : IGI & Non-Certified
As trusted lab grown diamond suppliers, we provide loose diamonds and moissanite stones with full disclosure, ethical sourcing, and consistent grading standards to ensure long-term reliability for retailers and manufacturers.
IGI Certified Lab-Grown Diamonds and Moissanite
Our IGI certified lab grown diamonds and moissanite offer verified grading for clarity, color, and cut. As reliable lab grown diamond suppliers, we ensure every certified stone meets international standards required by professional buyers.
Cost-Efficient Non-Certified Options
For businesses seeking affordability without compromising on quality, we offer non-certified lab-grown diamonds and moissanite. Trust our transparent grading system for smart inventory decisions.
Accurate Diamond Grading & Full Disclosure
Every stone is graded with precision, including color, clarity, and cut details. As professional lab grown diamond suppliers, we maintain complete transparency to match your exact sourcing requirements.
In-House Quality Checks Before Dispatch
All loose diamonds and stones undergo final inspection before dispatch. Our internal quality control ensures consistent supply standards expected from trusted lab grown diamond suppliers.
Built for diamond retailers & Manufacturers
As experienced lab grown diamond suppliers, we support retailers and manufacturers sourcing loose diamonds for bulk production, private labels, and scalable retail programs. Our supply model ensures consistency, flexibility, and long-term reliability.
Source calibrated loose diamonds in volume from trusted diamond suppliers, ideal for collections, product launches, and private label manufacturing.
Matched Diamonds for Jewelry Sets
Precision-matched loose diamonds supplied for rings, earrings, and coordinated sets, ensuring uniformity across every finished design.
Custom Diamond Sizes & Shapes
Diamonds supplied to exact specifications, including custom cuts, unique proportions, and brand-specific sizing requirements.
Make-to-Order Diamond Supply
Flexible make-to-order supply from lab grown diamond suppliers allows you to produce based on demand, reducing inventory risk and improving cash flow.
Consistent Supply for Running Designs
Reliable repeat sourcing ensures consistent quality, grading, and availability for high-performing designs and ongoing collections.
Outcome: Choosing reliable lab grown diamond suppliers ensures long-term consistency, better inventory planning, and scalable business growth.
Lab Grown Diamond Suppliers Guide : 4Cs & Certification
To build profitable inventory, understand every stone’s specifications. Our guides cover The 4Cs, GIA/IGI certification, moissanite vs lab-grown diamonds, and real-world evaluation techniques.
Cut
The most important C. We focus on Ideal and Excellent cuts to guarantee maximum brilliance, fire, and scintillation..
Color
Graded on the D-to-Z GIA scale. Select stones from the Colorless (D-F) and Near Colorless (G-J) ranges for premium collections.
Clarity
Assessing internal inclusions and external blemishes (graded FL to I3). We guide you through the ideal VS and VVS clarity grades for investment-grade pieces.
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Global Shipping & Supply Chain Excellence
Our logistics infrastructure is built for the precision and responsibility required in the diamond trade. From secure handling to international delivery coordination, we support partners with dependable, export-ready supply solutions across domestic and global markets.
Secure Packaging for High-Value Stones
Diamonds are packed using tamper-resistant, impact-protected methods designed for safety, discretion, and traceability throughout transit.
Export-Ready & Compliance-Focused Processes
Our shipping workflows align with international export standards, ensuring documentation readiness and smooth cross-border movement.
Reliable Dispatch & Delivery Coordination
Structured dispatch timelines, shipment coordination, and tracking support help partners plan inventory with confidence.
Bulk & Consignment Shipment Support
For high-volume orders, we assist with consolidated packing, scheduled movements, and logistics planning tailored to scale.
Trusted by Diamond Retailers & B2B Buyers Worldwide
5+ years of experience delivering certified Wholesale Loose Diamonds to retailers, manufacturers, and global B2B diamond buyers.
Over 1,000+ carats of certified Loose Diamonds available for immediate supply to global jewelers and manufacturers.
Trusted by diamond retailers businesses across India.



Contact & Location
Visit our office by appointment. We ship globally with export support.
Office
Plot-3, Savani Industrial soc. Mini Bazaar, Surat-395008
Business Hours
Monday – Friday : 9am – 7pm
Saturday : 9am – 2pm
Sunday : Closed
Book a Consultation
Schedule a video inspection or office visit.



