“We make it as you think”
Trusted Diamond Manufacturing Partner from Surat, India
Supplying Certified Natural Diamonds to Jewelry Retailers, Manufacturers, and Wholesalers Worldwide.
The Global Hub of Diamond Excellence
A Legacy of Precision, Passion & Perfection
Doctor Diam PVT LTD has been delivering excellence in diamond and jewelry manufacturing since 2004 from Surat, Gujarat — the global hub of diamonds. With decades of expertise and a passion for perfection, we specialize in custom shape diamonds, unusual cuts, pair diamonds, and turnkey high-jewelry manufacturing for the world's most discerning clients.
“Our slogan, ‘We make it as you think’, represents our commitment to bespoke manufacturing. Whatever geometric shape or design you envision, our master craftsmen bring it to life with flawless precision.”
In-House Craftsmen
Highly experienced master artisans associated with our facilities for decades.
Precision Process
Perfection-focused manufacturing adhering to stringent global certification standards.
Trusted Global Supplier
Seamlessly exporting world-class diamonds & luxury jewelry to our regional hubs in the UAE, USA, Hong Kong, Italy, and beyond.
Interested in sourcing from Doctor Diam manufacturing operations?
Get instant price layouts, inventory access, and factory-direct parcel parameters.
Mastering the Art of Unusual Cuts & Custom Jewelry
We combine state-of-the-art precision technology with decades of artisan craftsmanship to produce the world’s most spectacular diamond shapes, catering exclusively to elite B2B clientele.
Custom Shape Diamonds
Tailor-made diamonds crafted precisely to your unique geometric specifications and creative visions, ensuring every facet reflects your distinct requirements.
Butterfly Cuts
Exquisite butterfly shape diamonds featuring flawless symmetry and breathtaking light performance, representing the pinnacle of our cutting artistry.
Oxy Head Diamonds
Specialty horse head / oxy head diamonds crafted with masterful artistry and unusual facet arrangements for the most discerning luxury collectors.
Pair Diamonds
Perfectly matched diamond pairs in trapezoid, halfmoon, triangle, and emerald cuts, meticulously graded to ensure absolute consistency for high-end side stones.
Jewelry Manufacturing
Complete end-to-end custom jewelry production, creating premium rings, earrings, and luxury pendants from initial concept CAD to final master polishing.
On-Demand Production
Agile, client-specific manufacturing capabilities designed to fulfill exact B2B volume and custom orders with uncompromised quality standards.
Precision Polishing
Advanced polishing techniques executed by master artisans ensuring maximum brilliance, fire, and strict adherence to international certification standards.
International Export
Seamless global supply chain exporting premium diamond parcels and finished high-jewelry to UAE, USA, Hong Kong, Italy, and prestigious markets worldwide.
Interested in sourcing from our specialty cuts?
Get instant price layouts, inventory access, and factory-direct parcel parameters.
Why Partner With Doctor Diam
An unwavering commitment to absolute precision, uncompromising ethics, and unparalleled custom manufacturing capabilities that empower your jewelry business globally.
2004
Established Since
Two decades of unmatched diamond manufacturing excellence and global trust.
150+
Global B2B Clients
Trusted by premier high-end jewelry brands across the UAE, USA, Hong Kong, and Europe.
50+
Master Craftsmen
Dedicated, highly skilled artisans associated with Doctor Diam for many years.
100%
Precision Manufacturing
Perfection-focused processes strictly adhering to international grading and quality standards.
100%
Ethical Standards
Conflict-free, transparent, and trusted global business practices in every transaction.
Infinite
Custom Expertise
From Butterfly cuts to Oxy Heads, bespoke geometric shapes manufactured exactly as you think.
Why Partner with Doctor Diam
We empower jewelers, wholesalers, and manufacturers around the globe with direct sourcing, master craftsmanship, and client-centric solutions.
Manufacturing Expertise
Over two decades of precision cutting and custom shape design, turning diamond roughs into certified masterpieces.
Strict Quality Control
Every diamond undergoes extensive multi-spectral inspections and is graded strictly to GIA and IGI specifications.
Competitive Pricing
Direct-from-factory pricing models eliminate middleman commissions, passing substantial margins back to your business.
Direct Supply Model
Consistent B2B parcel layouts, customized diamond selections, and jewelry bulk orders supplied straight from our facility in Surat.
Personalized Service
Dedicated account managers provide tailored layout matching, high-resolution stone images, and custom CAD development.
Fast Response Time
Quick 24-hour turnaround on custom CAD designs, stock availability requests, and global logistics dispatch.
Interested in sourcing from wholesale supply partnerships?
Get instant price layouts, inventory access, and factory-direct parcel parameters.
Explore Our Exquisite Creations
From rare custom diamond cuts to turnkey luxury jewelry manufacturing, explore our world-class export inventory.
Bespoke Butterfly Cut Diamond
Custom geometric symmetry, excellent polish, certified.
Oxy Head Specialty Cut
Masterfully crafted horse head / oxy head diamond.
Trapezoid & Halfmoon Pairs
Perfectly matched side stones for luxury three-stone rings.
Premium Solitaire Ring
Turnkey custom jewelry manufacturing in 18K White Gold.
High-Purity Loose Diamonds
VVS/VS clarity, D-F color unmounted premium loose diamonds.
Chevron Cut Specialty Diamond
Sleek V-shaped chevron cut with exceptional brilliance and symmetry.
Cloud Cut Diamond
Whimsical, perfectly proportioned cloud silhouette with brilliant faceting.
Combi Emerald Pairs
Exquisitely matched emerald cut pair stones for high-end bespoke creations.
Tie Cut Diamond
Distinctive necktie silhouette showcasing elite lapidary precision.
Pie Cut Ring
Flawless pie-cut diamond assembly creating a magnificent solitary illusion.
ROSE GOLD Pendant
Exquisite 18K Rose Gold pendant featuring brilliant custom cut diamonds.
Premium Natural Diamond Shapes
We manufacture a comprehensive array of dynamic silhouettes, calibrated to strict dimensions and proportions for luxury setting.
Round
Ratio: 1.00 - 1.03The standard for maximum brilliance, fire, and light reflection.
Oval
Ratio: 1.33 - 1.50Elongated brilliance that creates an elegant, finger-slimming effect.
Cushion
Ratio: 1.00 - 1.10Soft pillow-like edges blending vintage charm with modern luster.
Pear
Ratio: 1.45 - 1.75An exquisite teardrop shape reflecting light with premium fire.
Emerald
Ratio: 1.30 - 1.50Step-cut facets displaying a 'hall of mirrors' look.
Princess
Ratio: 1.00 - 1.05A square cut boasting brilliant faceting and sharp corner design.
Marquise
Ratio: 1.85 - 2.10Elongated points maximizing carat weight and apparent size.
Radiant
Ratio: 1.15 - 1.35Trimmed corners with brilliant-cut faceting for dynamic spark.
Asscher
Ratio: 1.00 - 1.05A square step-cut design carrying an elegant art-deco symmetry.
Heart
Ratio: 0.95 - 1.02The ultimate romantic silhouette require extreme cutting expertise.
Interested in sourcing from our calibrated diamond shapes?
Get instant price layouts, inventory access, and factory-direct parcel parameters.
DFine Jwellery
“Blending Traditional Artistry With Modern Technology To Deliver Unmatched Brilliance Every Time.”
Doctor Diam PVT LTD has proudly partnered with DFine Jwellery since 2014. Together, we combine DDPL's diamond manufacturing scale with DFine's state-of-the-art, under-one-roof jewelry facility and team of over 100 master artisans.
A ZED Certified MSME and prominent member of the GJEPC, DFine Jwellery regularly showcases their patented innovations at major international trade events, including IIJS Premiere and ROOTZ exhibitions.
Pie-Cut Designs
Flawless seamless diamond assembly creating massive solitary illusions.
Invisible Settings
Advanced engineering for uninterrupted, continuous diamond surfaces.
Master Jewelers
Our Master Manufacturing Process
A systematic, perfection-focused workflow that transforms rough natural diamonds into world-class polished gems and exquisite custom jewelry.
Concept & Ideation
Understanding client specifications and conceptualizing custom geometric shapes and unique diamond cut requirements.
Precision Design & CAD
Utilizing state-of-the-art 3D modeling and CAD technology to map out flawless symmetry, facet angles, and proportions.
Laser Cutting & Cleaving
Advanced laser sawing and cleaving techniques executed by veteran artisans to maximize rough diamond yield.
Master Polishing
Intricate faceting and polishing on high-tech scaifes to achieve maximum brilliance, fire, and optical performance.
Rigorous Quality Check
Stringent multi-stage grading and certification verification ensuring 100% compliance with international standards.
Final Insured Delivery
Secure, fully insured international transit delivering pristine diamond parcels to global destinations.
Interested in sourcing from precision diamond manufacturing?
Get instant price layouts, inventory access, and factory-direct parcel parameters.
Our Global Trading Presence
From our master manufacturing hub in Surat to major international diamond centers, we provide seamless B2B supply chain excellence worldwide.
SuratIndia
Our core manufacturing facility and global trading headquarters equipped with advanced laser cleaving and master polishing units.
- Official AddressSecond floor Ronak Building, Harinandan Society, Varrachha Road, Surat, Gujarat 395006, India.
- Direct Phone+91 98248 53666
- Corporate Emailinfo@doctordiampvtltd.com
Diamond Quality & Calibrations
Doctor Diam maintains the highest inspection standards, ensuring complete compliance with international criteria.
Color Grades
D to Z ScaleWe supply color ranges from D (completely colorless/highest grade) to L-M (faint color), offering customized parcels matching your design layouts.
Clarity Grades
Flawless to IncludedSourced with strict clarity checks. Available in FL (Flawless), IF (Internally Flawless), VVS1-VVS2, VS1-VS2, and SI1-SI2 grades.
Cut Grades
Light PerformanceEvery loose stone is polished to maximize brilliance. We categorize inventory across Excellent (EX), Very Good (VG), and Good (GD) proportions.
Certifications
Global Authority VerificationEvery manufacturing batch is sent to top laboratories for authentication, offering verified certificates and security inscriptions.
Trusted by Global Jewelry Leaders
Read what world-renowned jewelry brands, procurement directors, and diamond wholesalers say about partnering with Doctor Diam PVT LTD.
“Doctor Diam has been our primary diamond manufacturing partner for over a decade. Their ability to deliver custom butterfly cuts and unusual shapes with absolute precision is unmatched in Surat.”
Alessandro Rossi
Procurement Director
Upcoming Exhibitions
Discover our latest collections in person. Schedule a private meeting with our specialists to discuss your custom sourcing requirements.
IIJS Premiere 2026
Connect with us at India's premier B2B gems and jewellery show. Explore our premium inventory of certified round diamonds, bespoke specialty cuts, and calibrated loose stones.
Frequently Asked Questions
Initiate a B2B Partnership
Contact our Surat headquarters or international regional offices to discuss custom diamond manufacturing, unusual cut requirements, and high-volume jewelry exports.
Doctor Diam PVT LTD
Second floor Ronak Building,
Harinandan Society,
Varrachha Road, Surat,
Gujarat 395006, India.
Visiting hours by corporate appointment only.
Corporate Inquiry Form
Please provide your official company details and requirements. Our corporate sales team will contact you within 24 business hours.