

0%
MARUTI EXPORT — World's Largest GCAL 8X Lab Grown Diamond Manufacturer

Welcome to Maruti Export, the world's largest manufacturer of GCAL 8X certified lab-grown diamonds, based in Surat, India. We are at the forefront of the diamond industry, producing ethically crafted, sustainable diamonds of the highest quality.
Our team brings decades of expertise in diamond manufacturing and global exports. We leverage cutting-edge technology to grow diamonds that are virtually indistinguishable from natural ones, backed by GCAL 8X, IGI, and GIA certifications.


Your Trusted Lab Grown
Diamond Manufacturers

Seed Disc

Every exceptional diamond begins with a precisely engineered seed disc — a ultra-thin diamond substrate that anchors atomic carbon layer by layer.

Seed Disc
Every exceptional diamond begins with a precisely engineered seed disc — a ultra-thin diamond substrate that anchors atomic carbon layer by layer.
Seed Substrate PreparationRough Crystal

Using cutting-edge Chemical Vapor Deposition technology, pure carbon atoms grow layer by layer, creating a Type IIa rough diamond crystal of exceptional purity.
Rough Crystal

Using cutting-edge Chemical Vapor Deposition technology, pure carbon atoms grow layer by layer, creating a Type IIa rough diamond crystal of exceptional purity.
Precision Craftsmanship

Each rough diamond is expertly cut and polished using precision engineering to maximize brilliance, fire, and symmetry.

Precision Craftsmanship
03Each rough diamond is expertly cut and polished using precision engineering to maximize brilliance, fire, and symmetry.
GCAL 8X Certified

Every diamond is independently verified through the world's most rigorous certification, ensuring unmatched optical performance, precision, and authenticity.

Every diamond is independently verified through the world's most rigorous certification, ensuring unmatched optical performance, precision, and authenticity.
GCAL 8X Certified ExcellenceGCAL 8X Certified
04Diamond Shapes We Offer
Shapes




















Certification
What is
GCAL 8X?
The grade only the top 1% of diamonds earn.


CVD Diamond Supplier: Excellence in Every Gem
Our Certification
Swipe to explore all 3 →

Gemological Institute of America
GIA is considered the most prestigious and respected gemological institute globally, setting the standard for diamond grading.

International Gemological Institute
IGI is the world's largest independent gemological laboratory, trusted by consumers and jewelers across more than 20 countries.

Gem Certification & Assurance Lab
GCAL's 8X® certificate measures eight optical performance metrics, qualifying only the top 1% of all diamonds worldwide.

See the Maruti Export Difference
FAQ
Lab Grown Diamonds, Answered
Who is the world's largest GCAL 8X lab grown diamond manufacturer?
Maruti Export, based in Surat, India, is the world's largest manufacturer of GCAL 8X certified lab grown diamonds. Every stone is grown, cut, polished, graded and inspected in-house before being supplied to jewellers, retailers, wholesalers and brands worldwide.
What is a GCAL 8X lab grown diamond?
A GCAL 8X diamond is a diamond that achieves the highest grade on all eight optical parameters assessed by GCAL: cut grade, polish, symmetry, light performance, proportions, finish, optical symmetry (Hearts & Arrows) and overall 8X excellence. Only around the top 1% of diamonds earn the 8X grade.
Where is Maruti Export located?
Maruti Export is headquartered in Surat, Gujarat, India, home to its CVD lab-grown diamond growth facility and primary export operations. It also operates a regional hub in Mumbai and a global outreach presence in New York.
How are Maruti Export lab grown diamonds made?
Maruti Export grows diamonds using CVD (chemical vapour deposition) technology, then precision-cuts, polishes, grades and inspects every stone in-house. Lab grown diamonds are chemically, physically and optically the same as mined diamonds.
Which certifications do Maruti Export diamonds carry?
Maruti Export lab grown diamonds are certified by GCAL 8X, IGI and GIA, the leading independent gemological laboratories for lab-grown diamonds.
Does Maruti Export sell lab grown diamonds wholesale?
Yes. Maruti Export supplies loose GCAL 8X, IGI and GIA certified lab grown diamonds wholesale to jewellery brands, retailers, wholesalers and manufacturers worldwide. Trade buyers can register for the online portal to search live inventory, or submit a custom order request.

GROW TOGETHER
BUILDING BRILLIANCE.
CREATING LEGACY.
PARTNER WITH MARUTI EXPORT