We Engineer the Future of Lab-Grown Diamonds
Precision-grown. Built for brands that demand consistency. Globally certified, from carbon seed to certified parcel, under one roof.
Independently graded and audited by the world's leading laboratories
A diamond manufacturer built for the trade, not the showroom
Goods above 0.30 ct are graded by IGI or GIA; smaller goods follow the same 4C protocol under zero-tolerance in-house QC.
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Certified goods independently graded
Regular shipments across North America, Europe, the Gulf, and Asia-Pacific, fully insured, door to door.
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Export markets served worldwide
Matched parcels sorted to ±0.02 mm tolerance, with color-locked lots so a repeat order matches the first.
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Diamond shapes in continuous production
Every Shape. Every Style.
Ready for your collection
Lab-grown diamonds in all major and speciality cuts, precision-cut and certified to international grading standards.
Diamonds by Cut
From round brilliant to bespoke speciality cuts, each stone is precision-faceted for predictable light return.
Diamonds by Carat
From melee accents to 50+ carat statement stones, a complete range for every customer segment.
Certified Quality
IGI and GIA grading on certified goods, with a zero-tolerance in-house concordance below 0.30 ct.
Sustainable Growth
100% renewable-powered CVD production, no mining, no land disturbance, full custody-chain traceability.
From carbon seed to parcel
in 4 precise steps
CVD Diamond Growth
Carbon seeds form crystal layer by layer inside plasma reactors over several weeks. Growth time, plasma energy, and temperature are logged per batch, the basis of consistent Type IIa purity.
Take full control of your diamond supply with an accountable manufacturer
The reasons procurement teams keep their orders with us, and the operational discipline behind each one.
A manufacturer, not a middleman
We control every stage from CVD growth through grading, one accountable party for the goods you put your name on.
Consistency you can reorder
Color-locked lots and parcels sorted to ±0.02 mm mean a repeat order matches the first.
Quality you can verify
IGI and GIA grading on certified goods, with digital report access for every batch you receive.
Built for long-term partnership
Predictable lead times, confidential private-label programs, and a sales desk that answers.
Equipped to ship worldwide
Fully insured, door-to-door transit through Malca-Amit, Brinks, and Ferrari Express.
Customs handled in-house
Export documentation and clearance managed end to end by our own team.
Predictable lead times
Scheduled production slots that protect your delivery dates, order after order.
Bespoke growth allocations
Book private growth cycles in our reactors for proprietary shapes or large rough.
Lower-impact diamonds
Renewable-powered growth and cutting, cultured diamonds replace extraction entirely.
Made by people we look after
Artisans paid above local industrial averages, with healthcare and pension cover.
Growing, cutting, and certifying lab-grown diamonds under one roof. Let's build a supply relationship you can plan against.
Carats produced per year
Continuous CVD growth and cutting capacity, scheduled to protect your delivery dates.
Export markets served
Regular shipments across North America, Europe, the Gulf, and Asia-Pacific.
Renewable-powered production
Growth and cutting operations run entirely on renewable power, no mining, no land disturbance.
Trusted by brands who source at serious scale
See how wholesalers, retail chains, and jewellery brands secure consistent, certified supply with Mira Gems.
“Mira Gems is the first supplier where our repeat parcels actually match the first order. Color-locked lots have removed an entire QC step on our side.”
Michael Reynolds
Procurement Director, Fine jewellery house
“Working directly with the grower changed everything. One accountable source, IGI certificates on every stone, and lead times we can actually plan around.”
Sarah Jenkins
Founder, Direct-to-consumer bridal brand
“Their melee sorting is the tightest we've seen, ±0.02 mm holds up on our production line. Calibrated layouts arrive ready to set.”
Daniel Carter
Head of Manufacturing, Retail chain
“Customs, insurance, and documentation are handled before we even ask. Door-to-door through Malca-Amit, and every consignment clears without drama.”
Emily Watson
Supply Chain Lead, European wholesaler
“The traceability is what won our compliance team over. Every batch is logged from grow chamber to final QA, with audit access on request.”
James Wilson
Compliance Officer, Luxury group
“Mira Gems is the first supplier where our repeat parcels actually match the first order. Color-locked lots have removed an entire QC step on our side.”
Michael Reynolds
Procurement Director, Fine jewellery house
“Working directly with the grower changed everything. One accountable source, IGI certificates on every stone, and lead times we can actually plan around.”
Sarah Jenkins
Founder, Direct-to-consumer bridal brand
“Their melee sorting is the tightest we've seen, ±0.02 mm holds up on our production line. Calibrated layouts arrive ready to set.”
Daniel Carter
Head of Manufacturing, Retail chain
“Customs, insurance, and documentation are handled before we even ask. Door-to-door through Malca-Amit, and every consignment clears without drama.”
Emily Watson
Supply Chain Lead, European wholesaler
“The traceability is what won our compliance team over. Every batch is logged from grow chamber to final QA, with audit access on request.”
James Wilson
Compliance Officer, Luxury group
“Mira Gems is the first supplier where our repeat parcels actually match the first order. Color-locked lots have removed an entire QC step on our side.”
Michael Reynolds
Procurement Director, Fine jewellery house
“Working directly with the grower changed everything. One accountable source, IGI certificates on every stone, and lead times we can actually plan around.”
Sarah Jenkins
Founder, Direct-to-consumer bridal brand
“Their melee sorting is the tightest we've seen, ±0.02 mm holds up on our production line. Calibrated layouts arrive ready to set.”
Daniel Carter
Head of Manufacturing, Retail chain
“Customs, insurance, and documentation are handled before we even ask. Door-to-door through Malca-Amit, and every consignment clears without drama.”
Emily Watson
Supply Chain Lead, European wholesaler
“The traceability is what won our compliance team over. Every batch is logged from grow chamber to final QA, with audit access on request.”
James Wilson
Compliance Officer, Luxury group
From delicate accents to statement stones
A complete range of certified lab-grown diamonds across all carat sizes, from everyday elegance to milestone purchases.
Melee & Pointer
Perfect for detailing, halos, and pavé settings
Carat range · loose stones & matched parcels
WHAT'S INCLUDED
- Sorted to ±0.02 mm tolerance
- Color-locked lots for repeat orders
- In-house 4C grading protocol
- Calibrated layouts available
- Sieve sizes on request
Core Solitaires
Ideal for engagement rings and solitaire collections
Carat range · loose stones & matched parcels
WHAT'S INCLUDED
- IGI / GIA certified above 0.30 ct
- D–K color · FL–SI2 clarity
- Excellent – Very Good cut grades
- All major shapes in production
- Matched pairs and sets
Statement Stones
High-impact stones for luxury and bespoke designs
Carat range · loose stones & matched parcels
WHAT'S INCLUDED
- Everything in Core Solitaires
- Bespoke growth allocations
- Private reactor growth cycles
- Proprietary and custom cuts
- Dedicated account desk
Every shape in production, from one source
Round to heart, melee to statement, all major and speciality cuts grown, cut, and certified under one roof in Surat, India.
IGI / GIA certified. Every stone independently verifiable with digital reports.
Producing 120,000+ carats yearly. Shipping to 40+ export markets worldwide.
Notes from the trade
Analysis on sourcing, grading standards, and CVD technology for procurement teams and jewellery brands.
The Geopolitics of Sourcing: Why Global Brands are Shifting to CVD
An analysis of supply-chain security, traceability, and pricing dynamics driving international jewelers from mined to laboratory-grown.
Deconstructing Grading Reports: GIA vs. IGI in Lab-Grown Diamonds
Understanding the exact grading metrics, secure girdle inscriptions, and blockchain registry validations of international laboratories.