B2B Fine Diamond
Jewellery Manufacturer
in Surat, India
OEM CONTRACT MANUFACTURING | PRIVATE LABEL | WHOLESALE EXPORT
14K / 18K GOLD & PLATINUM-950 | NATURAL & LAB-GROWN DIAMONDS
Helping fine retail jewellers, multi-store chains, wholesalers, and private-label brands scale with precision-crafted diamond jewellery manufactured 100% in-house in Surat, India.

SURAT HEAD OFFICE & DESIGN UNIT
Custom High-Jewellery Casting
We manage the entire production cycle in-house. From 3D wax design, hallmarked gold/platinum smelting, to microscopic prong hand-setting.
Why Leading Jewellers
Choose RoyalRubies Jewels
We eliminate brokers, markup layers, and logistical delays. Sourcing fine jewelry directly from Surat grants you absolute material control and higher trade profitability.
15,000+ Master CAD Library
Direct access to our Surat atelier design desk's verified 3D CAD matrix files across bridal suites, tennis bracelets, and daily luxury wear with zero design distortion.
Bespoke OEM & ODM Crafting
Transform your sketches, moodboards, or counter drawings into production-ready physical master molds within 48 to 72 hours.
Confidential Private Label
Comprehensive bilateral NDAs, custom laser hallmark engraving of your brand insignia, and bespoke presentation packaging for global retail stores.
In-House Digital CAD Desk
Experienced jewelry design engineers working on high-precision Matrix-9 and Rhino suites for micro-tolerance gemstone seats.
Direct Induction Casting Runs
German vacuum induction casting machines preventing porosity, delivering dense, mirror-finish 10K, 14K, 18K solid gold and Platinum-950.
Microscope Diamond Setting
Artisans equipped with 40x Leica stereo-zoom optics hand-seat calibrated natural melee and certified CVD diamonds with zero stone loss.
Armored Pan-India Supply
Fully insured bonded transit with reputable domestic high-value carriers directly to your store, vault, or corporate trade office.
Customs-Cleared Worldwide Export
Seamless export clearance with legal Kimberley Process certification, dual GIA/IGI lab dossiers, and streamlined paperwork for USA, UK, UAE & Australia.
Executive Factory Liaison
Direct line to our Surat factory management for real-time production updates, wax approvals, and weight reconciliation reports.
Trusted By Growing
Jewellery Businesses
From boutique independent designers in Antwerp to major brick-and-mortar retail outlets spanning 15 Indian states, we serve as the backend production pillar of elite global jewelry operations.
Who We Manufacture For
RoyalRubies Jewels is strictly a commercial B2B manufacturing atelier. We engineer certified natural and lab-grown diamond jewellery exclusively for commercial trade partners across India and worldwide markets.
Independent Retail Jewellers
Jewellery showroom owners looking to eliminate trader markups, access direct Surat factory pricing, and offer custom designs to their retail clientele.
- Flexible trial sample orders before volume commitment
- Direct Surat diamond sourcing at manufacturer rates
- Fast 24-48 hour CAD renders for customer commissions
- 100% BIS hallmarked gold and certified diamond assurance
Wholesalers & Regional Distributors
Fine jewellery distributors requiring dependable manufacturing scale, strictly calibrated diamond assortments, and consistent repeat volume production runs.
- Volume-tiered direct manufacturer pricing matrix
- Strictly calibrated diamond parcels (color, clarity, cut)
- Repeat master mould archiving with zero design drift
- Full export documentation, Certificate of Origin & insured logistics
Multi-Store Retail Chains
Growing retail jewellery chains (10 to 50+ doors) requiring standardized alloys across all outlets and rigorous 4-tier microscopic quality checks.
- Scalable monthly manufacturing capacity backed by master artisans
- Exact alloy hues matched across batches (10K, 14K, 18K, Platinum)
- Secure insured block delivery straight to corporate vault
- Dedicated key account manager and milestone tracking
Private Label & Fine Designers
Luxury brands, digital fine jewellery startups, and high-end bespoke designers needing an ethical, confidential manufacturing atelier under bilateral NDAs.
- 100% proprietary mould protection & bilateral NDAs
- Custom laser hallmarks, branding stamps & serial numbers
- Certified Natural and CVD/HPHT Lab-Grown Diamonds
- White-glove custom luxury packaging integration
Start with a Trial Order to Verify Quality & Finish
We understand the importance of quality testing. Begin with a single sample piece or small trial collection to inspect casting density, diamond clarity matching, and setting precision before scaling.
Why Surat Powers
Global Diamond Manufacturing
Surat is recognized as one of the world's largest diamond processing and jewellery manufacturing hubs. Its skilled artisan ecosystem, advanced production infrastructure, and deep-rooted diamond expertise allow RoyalRubies Jewels to deliver exceptional craftsmanship, consistent quality, and scalable manufacturing solutions for jewellers across India and international markets.
Key Manufacturing Pillars
Our Certified Trust & Authority
We back our master manufacturing facility with official apex trade council memberships and national regulatory authority compliance.

Proud Member of GJEPC
(Gem & Jewellery Export Promotion Council)
Sponsored by the Ministry of Commerce & Industry, Govt. of India. Authorizes certified export clearance, Kimberley Process adherence, and worldwide trade compliance.

Proud Member of SJMA
(Surat Jewellery Manufacturers Association)
The apex body of fine diamond jewellery ateliers in Surat. Validates our state-of-the-art ethical manufacturing facilities, CAD units, and master artisan labor standards.

Proud Member of IBJA
(India Bullion & Jewellers Association • Est. 1919)
India's apex bullion and jewellery association established in 1919. Guarantees 100% BIS hallmarking compliance, pure karat assaying, and trade benchmark transparency.
Global Insured Logistics & Dedicated Export Desks
Direct armored vault-to-door transit connecting our Surat atelier with retail jewellery chains and wholesale distributors across 35+ countries.
North America
Hubs: New York, LA, Toronto
United Kingdom & EU
Hubs: London, Antwerp, Zurich
UAE & Middle East
Hubs: Dubai (DMCC), Abu Dhabi, Riyadh
Australia & APAC
Hubs: Sydney, Melbourne, Singapore
BRINK'S
Global Armored Security
MALCA-AMIT
Precious Diamonds & Jewels
FERRARI GROUP
Luxury Cargo Logistics
FEDEX PRIORITY
Fast-Track Insured Express
Symmetry & Fire:
The Surat Geometric Edge
Our expert diamond cutters execute microscopic facets calibrated for maximum light velocity. Choose from our standard inventory cuts, or collaborate on custom proprietary layouts.
Select Refractive Profile
Princess Cut
A sharp, square cut designed with inverted pyramidal facets that maximize fire and brilliance. Perfect for geometric, modern jewelry designs seeking raw light velocity.
Watch Our Surat Atelier Cast, Hand-Set, Polish & Certify
Step inside our real-time Surat manufacturing facility. From digital CAD blueprints to Leica-microscope diamond setting, every stage of our production pipeline is precision-engineered for world-class B2B output.
Watch our Surat atelier facility in real-time
Complete Diamond Jewellery
Manufacturing Solutions
By integrating Surat's best diamond cutting with world-class jewelry design, casting, and hand-setting, we manufacture premium gold and certified diamond jewelry for elite retail brands worldwide.

OEM ring fabrication utilizing high-purity casting furnaces. We execute everything from micro-prong eternity bands to robust bezel-set statement rings.

Heavy high-jewelry masterworks. Thousands of diamonds are joined by our senior artisans using proprietary fluid linkage for organic drape.

Rigid luxury hollow and solid structures cast in extreme-density gold, featuring custom-tooled spring hinge assemblies and security hooks.

Complete ceremonial suites. We coordinate design themes across matching engagement rings, wedding bands, necklaces, and matching earrings.
Dual Lab Certification
Every solitaire above 0.3ct verified by GIA & IGI laser registries.
100% Insured Armored Transit
EXPRESS INSURED SHIPPING through trusted logistics partners with door-to-door block cover.
Calibrated Parcels & Layouts
Sieving and setting under professional microscopes for flawless layout parity.
Convert Dead Inventory Into Fast-Moving Designs
Do not let stagnant, slow-moving jewelry freeze your valuable working capital. We partner with retail jewelers across India and abroad to convert heavy slow stock, old showroom mounts, and loose side-stones into today's top-selling micro-pave tennis bracelets, hidden-halo rings, and modern bridal suites.
XRF Karat Assaying & Laboratory Melt
Stagnant metal mounts, outdated mountings, and scrap gold are weighed, melted down under inert vacuum induction, and verified using certified spectrometer XRF assays.
Digital Stone Unsetting & Sieving
Extracted natural or lab-grown diamonds are safely dismantled, graded under high-definition microscopes, and sieved into exact millimeter calibrations for immediate remounting.
Recast Into High-Velocity Bestsellers
Your refined gold and calibrated stones are recast into trending silhouettes (micro-prong tennis bracelets, hidden-halo engagement rings, or huggies) matching today's retail demand.
Why Manufacturing In Surat
Gives You An Advantage
Compare direct manufacturing loops against traditional multi-tiered broker channels. See why Surat supplies 90%+ of global natural diamonds.
Brand Confidentiality
Absolute mold IP protection backed by bilateral NDAs.
Laser Hallmarking & Engraving
Brand stamps, metal purity marks, and custom serial numbers laser-etched onto mounts.
Exclusive Molds
Unique collections restricted only to your retail outlets.
Hallmarked Assurance
Government certified gold and platinum purity tags.
Launch Your Own
Jewellery Brand
Build your catalog from the ground up. Whether you are launching a digital DTC wedding band startup, or scaling a chain of physical boutiques, we manage bulk OEM, custom hallmarks, and retail-ready packaging.
Take a Virtual Tour of Our Manufacturing Facility
Experience our complete in-house jewellery manufacturing process, modern infrastructure, skilled artisans, and rigorous quality standards through our official factory tour.
Vacuum Induction
German Furnaces
Microscope Setting
Leica Optics
3D Wax Printers
Sub-Micron Res
XRF Assaying
100% Purity Tagged
How We Manufacture Your Jewels
Explore our step-by-step manufacturing pipeline inside our Surat atelier — from initial 3D CAD modeling to microscopic stone setting and final insured export.

CAD DESIGN
Our master design desk renders high-fidelity 3D wireframe models in Rhino-3D based on client sketches, ensuring micro-millimeter structural precision before any metal is cast.
How Your First Order Works
A transparent, step-by-step manufacturing pipeline designed to give jewellers total peace of mind from initial CAD draft to final certified delivery.
Design Brief & CAD Review
Share your CAD files, sketches, or reference photographs along with desired specifications (14K/18K/Platinum, Natural or Lab-Grown diamonds, ring sizes, and carat weights).
Transparent Factory Quotation
We provide an unbundled, itemized commercial quotation detailing exact gold weight estimates, diamond carat/clarity grades, labor charges, and manufacturing lead times.
Trial Sample / Prototype Casting
Once approved, our Surat atelier produces high-precision wax prints, executes vacuum induction gold casting, and master artisans handset every diamond under microscopes.
Secure Insured Global Dispatch
Your order is hallmarked, accompanied by GIA/IGI laboratory certificates, securely sealed, and dispatched with full door-to-door jeweler block insurance and export clearances.
Our Manufacturing
Atelier Strength
Operating advanced digital laser saws, dual-axis helium planning scanners, 3D wax printers, and a dedicated testing laboratory in the heart of Surat's jewelry district.
Delivering bridal neckwear, engagement solitaires, and luxury rings worldwide.
A giant library of repeatable, optimized, high-converting models.
Complete B2B fabrication from raw casting to final microscopic setting handled inside our Surat facility.
Insured, rapid global dispatch directly to your trade showroom or corporate vault.
Clear B2B Qualification
To ensure the highest standard of precision and dedicated focus for serious trade clients, we outline our manufacturing requirements and operational scope upfront.
What We Need From You
Providing these key parameters enables our diamond estimators and CAD engineers to calculate realistic casting weights and return an itemized quotation within 24 hours:
Business / Entity Details
Your registered company name, showroom or brand website, and city of operation so our Surat export trade desk can assign a dedicated accounts manager.
Target Metal & Diamond Specs
Desired metal purity (14K, 18K Yellow/White/Rose Gold, or Platinum-950) and diamond preference (Natural GIA/IGI-certified diamonds or premium Lab-Grown diamonds).
Order Volume / Trial Scope
Whether you need a single trial sample piece, small initial batch to inspect finish and setting, or regular monthly commercial production quantities.
Design Reference / CAD Files
Sketches, reference photos, rough 3D files (STL/3DM/Matrix), or select designs from our master catalog to calculate exact casting weights and metal shrinkage.
What We Do Not Offer
We maintain absolute transparency regarding our commercial model to preserve complete integrity and prevent any mismatch of business expectations:
No Retail Consumer Sales
We do not sell single commercial pieces to end consumers or retail shoppers. RoyalRubies operates strictly as an OEM manufacturing facility for registered businesses.
No Consumer Dropshipping
We do not offer individual blind consumer dropshipping services. All manufactured orders are securely dispatched directly to your business address or corporate vault.
No Uncertified or Conflict Diamonds
We strictly refuse non-conflict-free rough or uncertified goods. All materials comply 100% with the Kimberley Process, ethical sourcing laws, and legal BIS hallmarking.
No Broker / Commission Intermediaries
You deal directly with our Surat atelier leadership. We do not operate through local broker tiers that dilute accountability or add unnecessary markup layers.
Request A Custom Business Proposal
Partner with Surat's leading OEM jewelry division. Our master craftsmen translate your sketch, references, or CAD sheets into world-class fine diamond jewelry with certified platinum & gold hallmarking.
Instant CAD Mockups
Complementary, hyper-precise digital CAD wireframes and 3D renders based on your references within 48 hours.
Direct Manufacturer Value
Bypass middle agents entirely. Benefit from direct Surat factory pricing, boosting your retail profit margins by up to 35%.
Brand Protection & NDAs
We maintain strict confidentiality for private label and custom brand catalogs. Your proprietary molds remain yours exclusively.
For prompt corporate escalations, reach our Surat headquarters directly at: royalrubiesjewels@gmail.com or +91 6359 933 001
B2B RFQ Form
WHOLESALE & PRIVATE LABEL SOURCINGNeed Immediate Assistance?
Skip traditional email delays. Connect directly with our Surat head-office export managers on WhatsApp.
Frequently Asked Questions
Learn about our minimum order quantities (MOQs), GIA certifications, export clearing protocols, and bespoke jewelry casting.
Have a question that is not covered here? Ask our Surat factory team directly on WhatsApp
Ready To Scale Your Jewellery Business?
Gain a trustworthy, direct-from-Surat manufacturing backend. Benefit from instant CAD drafts, hallmarked certification, and world-class diamond layouts.