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Buy Lab Grown Diamonds Online USA & India

The Largest Manufacturer of
The Rarest Lab Grown Diamonds
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Artisans cutting and polishing diamonds in a manufacturing workshop in USA
Diamond cutting and polishing workshop with workers using microscopes in USA
Artisans cutting and polishing diamonds in a manufacturing workshop in USA
Grown Diamond Corporation
Extraordinary lab diamonds through pioneering innovation and exceptional craftsmanship

For over a decade, Grown Diamond Corporation has been one of the most trusted lab grown diamond manufacturers in the USA. The work is simple: grow the finest lab grown diamonds, cut them to precision, and put them directly in the hands of the trade.

The portfolio covers lab-created diamonds across all major shapes and grades, alongside fine jewelry. All manufactured at our facilities in Surat. Throughout the world, retailers, wholesalers, and buying groups source from us because the quality is consistent and the supply is direct.

10
Years of Experience
3
Countries
Diamond cutting and polishing workshop with workers using microscopes in USA

Grown Diamond Corp operates across Mumbai, Dubai, and the United States, making it straightforward for trade partners to source lab grown diamonds at wholesale, with certified quality and reliable supply.

The GDC network includes 2,000+ retail partners – jewelry guilds, chain stores, e-tailers, independent boutiques, and CBG and LJG vendors. When trade partners ask who the best lab grown diamond company to source from is, those 2,000+ relationships are the answer.

A decade in lab grown diamonds. Three countries. One standard: the best lab grown diamonds for sale, backed by manufacturing transparency and trade-grade consistency. That is what GDC brings to every partner relationship.

2000 +
Retailers
15 +
Global Partners
Value proposition and USPs
Our core strengths
HPHT AS GROWN
HPHT
Masters of the art & Science of HPHT
inn-5
Master cut
Challenging creative conventions
inn-3
FL & IF
Pure. Flawless. Perfect.
inn-2
Cutwise
Everything you expect from us
inn-4
Fancy color diamonds
Classic and customized rare color diamonds
Start Your Journey with GDC
Our core strengths
CRBN
CRBN is our members-only platform: the largest B2B inventory of lab grown diamonds and lab-created diamonds available to the trade. Browse certified diamonds with 360° visuals and full grading reports before you buy.
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CRAFTING BRILLIANCE
The Art of Diamonds
CRAFTING BRILLIANCE
Every lab grown diamond GDC produces starts in a controlled growth environment and ends with a certified, trade-ready diamond.
ELEGANCE REIMAGINED
Our Jewellery Masterpieces
ELEGANCE REIMAGINED
The finest lab created diamonds set within carefully designed jewelry, built for retailers who want pieces their customers will not find anywhere else.
PRESS
Explore ethical real diamonds, From the pioneers of lab grown diamonds
Loose brilliant oval cut moissanite gemstone
BLOGS
Insights from the World of Lab-Grown Diamonds

Join our global network of jewelers, retailers, and creators who trust GDC for their most brilliant collections. Tell us what you need (shapes, grades, volume), and the GDC team will get back to you.

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Frequently asked Questions

GDC manufactures lab grown diamonds at its own facilities in Surat, with direct supply to 2,000+ retail partners across the USA, Dubai, and India.

All GDC lab grown diamonds are certified by GCAL 8X as primary. GIA and IGI secondary. HPHT as-grown diamonds consistently achieve D color and FL/IF clarity, fully verified.

Yes. GDC supplies lab created diamonds wholesale, direct from the manufacturer. Trade partners access pricing through the CRBN platform after registration.

CRBN is GDC's members-only B2B platform. It gives registered trade partners access to the full lab grown diamond inventory, with 360° videos, grading certificates, and direct sourcing. Register at growndiamondcorp.com to request access.

Yes. Beyond standard shapes, GDC produces custom-cut lab grown diamonds to trade specifications. The master cut team handles bespoke briefs for retailers and designers.

Lab-grown diamonds require significantly less land and water than mined diamonds. GDC's manufacturing process is monitored and traceable, which matters to retailers whose customers ask these questions.
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