HPHT Lab Grown Diamonds from Surat Factory

Ocean Star Diamonds - Trusted HPHT Lab Grown Diamonds Supplier

Ocean Star Diamonds is a leading supplier of HPHT lab grown diamonds based in Surat, delivering precision-cut loose diamonds to global retailers and manufacturers. Our HPHT lab grown diamonds are produced using advanced technology to ensure consistent quality, excellent brilliance, and reliable bulk availability for high-volume production and premium collections.

Bulk HPHT Lab Grown Diamonds for Retailers & Manufacturers

Our HPHT lab grown diamonds inventory is supplied exclusively to diamond retailers, manufacturers, and professional resellers. These HPHT lab grown diamonds are ideal for businesses that value ethical sourcing, consistency, and dependable long-term supply.

HPHT Lab Grown Diamonds Quality, Sizes & Certification

At Ocean Star Diamonds, we provide meticulously grown HPHT lab grown diamonds that meet both commercial and premium standards. Each of our HPHT lab grown diamonds is selected for brilliance, consistency, and reliable availability, ensuring your collections maintain exceptional quality.

Color Grades

  • DEF – Superior white diamonds, ideal for high-end pieces.
  • GHI – Near-white diamonds, offering a cost-effective option without compromising quality.

Sizes

  • Melee diamonds – Perfect for accent pieces and delicate designs.
  • Commercial sizes – Standard options for everyday production.
  • Larger stones – Available on request for custom or statement pieces.

Certification Options

  • IGI-certified – Available for selected sizes and quality grades.
  • Non-certified – Ideal for cost-effective production and bulk orders.

Our team collaborates with retailers to ensure the perfect balance of quality, size, and pricing to match your brand positioning.

Available Shapes in HPHT Lab Grown Diamonds

Live White HPHT Lab Grown Diamonds Inventory

Browse our ethically sourced, high-quality lab diamonds. Wholesale pricing is available exclusively for registered retailers.

Need a specific size or matching stones? Request Custom Sourcing

Make-to-Order & Bulk HPHT Lab Grown Diamonds Supply

Empowering retailers and manufacturers with a reliable, scalable supply chain for premium HPHT lab grown diamonds, designed for consistent quality and long-term business growth.

Custom Precision

Order custom sizes and non-standard dimensions in HPHT lab grown diamonds, precisely tailored to your CAD designs and production requirements.

Matching Layouts

We expertly source and match diamonds for layouts and sets, ensuring uniform brilliance, size consistency, and visual harmony across your collections.

Bulk Consistency

Support large-volume orders with consistent grading and reliable quality, ideal for brands maintaining uniform standards across high-volume collections.

Production Support

Ensure uninterrupted supply for your ongoing designs, helping you scale production efficiently without inventory risk or supply gaps.

Specialty Stones

Access large-carat and specialty HPHT lab grown diamonds based on availability, ideal for high-value and custom client requirements.

Why Choose Ocean Star Diamonds for HPHT Lab Grown Diamonds

Ocean Star Diamonds operates as a factory-direct supplier of HPHT lab grown diamonds, eliminating intermediaries and ensuring better pricing, quality control, and consistent supply for global buyers. Our expertise in HPHT lab grown diamonds helps retailers maintain strong margins and reliable product quality.

Surat-Based Manufacturing Ecosystem

Integrated production within the global hub of diamond manufacturing.

Controlled Quality Selection

Each white lab grown diamond is carefully selected to ensure uniform brilliance.

Transparent Grading Practices

Clear, honest grading that supports trust and long-term retail credibility.

Direct Communication with Decision-Makers

No intermediaries—only clear, efficient coordination.

Flexible Certification Options

Certification aligned with your market requirements.

Reliable Timelines for Repeat Orders

Consistent delivery schedules built for growing demand.

Precision-Engineered Quality & Global Certification

Certification & Quality Assurance

At Ocean Star Diamond, we provide a versatile inventory of white HPHT lab grown diamonds, available with or without formal grading to suit your specific commercial requirements and technical applications.

IGI Certification

Official grading reports from the International Gemological Institute are available upon request for full transparency on 4C parameters.

Clear Disclosure

We maintain strict ethical standards with full disclosure of the origin, growth method, and grading of every stone in our inventory.

Commercial Guidance

Our consultants help you decide when third-party certification is a market necessity and when non-certified options offer a competitive advantage.

Logistics, Delivery & Export Readiness

Our white lab grown diamonds are supported by a logistics framework built for global trade. From secure handling to export compliance, every process is designed to deliver confidence, consistency, and seamless cross-border movement for our business partners.

Secure Packaging

Every diamond is housed in tamper-evident, high-security packaging and fully insured to guarantee it arrives in pristine condition.

Reliable Dispatch

We prioritize your business timeline with scheduled dispatches and 24/7 tracking, ensuring your inventory levels remain optimal.

Export Support

Our experts manage all international trade documentation and compliance, simplifying the import process for global retailers.

Bulk Planning

Strategic logistics consulting for large-scale orders to optimize shipping costs and streamline supply chain efficiency.

Access Wholesale Pricing & Live Inventory

At Ocean Star Diamonds, we offer a consistent supply of premium HPHT lab grown diamonds for retailers and manufacturers worldwide. Partner with us to access reliable inventory, competitive pricing, and expert support for your business growth.