"Born by Nature. Mastered by Us."
A Legacy of Precision, Passion & Perfection
Master Diam has been delivering excellence in diamond cutting and caliber calibrations since 2017 from Surat — the global hub of natural diamonds. We specialize in custom-shaped layouts, matched baguettes, and high-end jewelry parcel allocations for the world's most discerning luxury brands.
"Our slogan, 'Born by Nature. Mastered by Us.', represents our commitment to sourcing conflict-free natural diamonds and custom-calibrating them to mathematical perfection."
In-House Craftsmen
Highly experienced master artisans associated with our Surat facility.
Precision Process
Perfection-focused manufacturing adhering to strict B2B quality standards.
Mastering the Art of Calibrated Cuts
We combine advanced planning technology with generation-skilled artisans to produce spectacular diamond layouts.
Rough Selection
We ethically source conflict-free natural crystals directly from major global mines, filtering each stone based on crystal shape integrity and structural facet symmetry to yield optimum calibration layouts.
Laser Planning
Implementing advanced 3D computer-aided laser mapping systems to analyze interior inclusion layouts, maximizing final carat yields while aligning cutting lines exactly with mathematical light reflection angles.
Scaife Polishing
Surat's master craftsmen execute the hand-polishing phase on diamond-coated scaife wheels, manually tuning facet tables, crown heights, and pavilion angles to achieve absolute light refraction.
Millimeter Calibration
Final sorted selections are screened under high-magnification microscope calipers, grouping loose parcels into calibrated batches matching target CAD specs to within +/- 0.015mm tolerances.
Calibrated Natural Loose Catalog
Direct manufacturing of matched pairs, baguettes, and fancy cuts sorted by millimeter specifications.
Ring Belt Tapered Layout
High-precision graduated tapered layout sets calibrated side-by-side to construct seamless belt ring layouts, designed specifically for elegant ring mountings.
Request Allocation
Ring Layout Custom Cut
We craft calibrated diamond ring layouts matching your choice. Tell us what you want, and we will create it with absolute mathematical perfection.
Request Allocation
Laser Marking & Cutting Process
We execute precise laser marking followed by manual expert cutting to transform rough diamonds into a perfect finished shape.
Request Allocation
Custom Earrings Layout
Perfect matched pair layouts custom-crafted specifically for high-end earrings designs, calibrated to match in millimeter dimensions and sparkle.
Request Allocation
Calibrated Baguette Diamonds
Symmetrically graded baguette cut diamond parcels matching in table width, crown height, and length profiles for clean channel settings.
Request Allocation
Custom Lily Cut Layout
Beautiful four-petaled custom Lily cut fancy diamond shape layouts, polished systematically by our professionals to absolute brilliance.
Request AllocationCinematic Production Studio
Watch loop captures from our Surat manufacturing base demonstrating laser planning, polishing, and calibration sorting.
Custom Fancy Cuts
Artisanal precision in crafting unique, high-end fancy diamond shapes.
Polishing Mastery
Achieving maximum light return through expert facet polishing.
Calibrated Straight Layouts
A calibrated layout of diamonds hand-sorted and aligned by millimeter sizes for premium settings.
Crafted Perfection
Combining technology and passion to craft flawless facet geometry.
Clarity & Grading
Rigorous inspection to classify and select natural diamonds of high purity.
Quality Verification
We do quality check at every stage from rough to polished and deliver the best.
Secured B2B Delivery
Prompt and secure global shipping ensuring your parcels arrive on time.
Shape Excellence
Perfect alignment and symmetry across calibrated fancy shape layouts.
Our History & Growth
Established in 2017 in the heart of Surat (Diamond City), Master Diam set out with a singular focus: to bridge the gap between traditional diamond cutting and the ultra-precise tolerances required by modern luxury jewelry houses. What began as a specialized cutting facility has evolved into a leading B2B supplier of calibrated baguettes and tapered shapes, building deep trust and reliability across international gems markets.
Engineered Brilliance
Our vision is to define the global benchmark for diamond calibration. By combining advanced 3D laser mapping with the generational skills of Surat's master craftsmen, we deliver natural loose parcels that match your digital specs to within 0.015mm. We believe B2B sourcing should be transparent, ethical, and mathematically consistent.
Submit RFQ Specifications
Request specific millimeter allocations, calibrated packages, or matching layouts. Our gemologists respond with custom quotes in 24 hours.
