Finest Certified
Natural diamonds
We manufacture diamonds from rough supplied by our clients, with every stone planned and processed according to the required shape, size, proportions, and clarity at our Surat manufacturing facility.
Client-Supplied Rough
Your rough remains the singular starting point of the manufacturing journey, held under strict chain-of-custody protocols.
Specification-Driven
Every rough is meticulously planned and processed according to your required shape, size, proportions, and clarity outcome.
Surat Manufacturing
Laser sawing, blocking, making, 8X cutting, and polishing are executed with micro-precision at our dedicated Surat facility.
Final Quality Control
Every finished gem undergoes meticulous optical microscopy and gemological inspection before secure client dispatch.
Diamonds Manufactured to Your Requirement
From classic rounds to distinctive fancy cuts, Chirag Gems transforms client-supplied rough into precision-polished diamonds according to exact technical parameters.
Round Diamonds
Precision manufacturing for classic round shapes, engineered for maximum brilliance, fire, and optical symmetry with strict adherence to light performance.
Explore Round Cuts →Fancy Shape Diamonds
Manufacturing across a wide range of fancy shapes—including Pear, Emerald, Cushion, Princess, Marquise, Oval, Heart, and Radiant—planned to maximize rough yield.
Explore Fancy Shapes →Custom Requirements
Bespoke manufacturing planned around specific client parameters, custom facet architectures, matched pairs, layout sets, or specialty carat tolerances.
Submit Custom Spec →A Broad Clarity Range. Specialized Expertise.
Chirag Gems processes client-supplied rough across a comprehensive clarity continuum from FL to I2, with distinguished technical mastery in Flawless and Internally Flawless manufacturing.
Specialized Technical Expertise: IF & Flawless Diamonds
Manufacturing IF and Flawless stones requires zero-vibration polishing equipment, absolute grain temperature control, and surgical scaife execution at our Surat facility.
From Rough to Finished Diamond
Seven disciplined stages of technical execution conducted at our Surat manufacturing facility to achieve your exact specification.
Rough Planning
Each client-supplied rough is evaluated and planned according to the required shape, size, proportions, and clarity targets. Advanced 3D scanning and optical analysis are deployed to maximize yield and value.
- High-resolution 3D rough inclusion mapping
- Tension and grain direction profiling
- Targeted yield & clarity optimization
Quality Built Into Every Stage
Quality is not merely verified at the end—it is engineered into every transition from the raw crystal to the final polished stone.
Have Rough to Process?
Whether you require classic Round Brilliant cutting, Fancy shapes, or custom parcel manufacturing, our technical planning team at our Surat facility will evaluate your rough stones and develop an optimized yield plan.