Premium CVD & HPHT lab diamonds, IGI & GIA certified, available in all cuts, colors, and clarities — for jewellers, designers, and manufacturers worldwide.
Lab-grown diamonds are physically, chemically, and optically identical to mined diamonds — at a fraction of the cost. For jewellery businesses, that means higher margins, consistent supply, and a compelling sustainability story.
Talk to Our TeamSame 4Cs grading, same refractive index. Indistinguishable from earth-mined to the naked eye.
Unlock higher retail margins or competitive pricing — without compromising on quality grades.
Every stone comes with IGI or GIA certification — graded to the same international standards.
Zero mining impact. A powerful ESG story your customers increasingly expect and demand.
Flexible payment terms available for qualified wholesale buyers. Apply during onboarding.
Insured, tracked delivery to 40+ countries. Customs documentation prepared for all major markets.
All stones available in D-Z colour, IF–SI2 clarity, with IGI or GIA certification. Minimum order quantities start from just 1 carat.
The timeless cut. Maximum light return and fire. Best-selling in engagement and solitaire settings.
Sharp corners and brilliant faceting. Popular for modern and contemporary jewellery designs.
Flattering elongation with brilliant-cut sparkle. High demand in engagement and pendant designs.
Hall-of-mirrors effect with elegant step facets. Preferred in art deco and luxury fine jewellery.
Our streamlined B2B process means you can onboard, order, and receive certified stones without friction — regardless of your volume.
Fill out our B2B form with your requirements — cut, carat, colour, clarity, and volume.
Our gemologists prepare a personalised quote with stone selection within 24 hours.
Review stones, confirm order, and select payment terms. Net 30 available for qualified buyers.
Each stone ships with its official IGI or GIA grading report, QR verified.
Fully insured, discreet shipping with tracking to your door — globally in 3–7 business days.
We offer one of the widest selection of certified lab-grown diamonds available for B2B wholesale. All stones are available in both CVD and HPHT growth methods.
| Parameter | Range Available | Notes |
|---|---|---|
| Carat Weight | 0.30 – 10.00 ct | Larger on request |
| Color Grade | D – Z | Fancy colors available |
| Clarity Grade | FL – SI2 | I1 on bulk request |
| Cut Grade | Excellent – Good | Excellent recommended |
| Shapes | Round, Princess, Oval, Emerald, Pear, Cushion, Radiant, Marquise, Asscher, Heart | Custom cuts on order |
| Growth Method | CVD / HPHT | Type IIa upon request |
| Certification | IGI / GIA | Laser inscription incl. |
| Min. Order Value | $500 USD | No min. quantity limit |
| Lead Time | 3–7 business days | Express available |
LumaStone has completely transformed our sourcing. Consistent quality, fast turnaround, and the IGI certs give our retail customers full confidence.
The pricing advantage on lab diamonds allowed us to launch a new mid-market collection with 38% better margins. Net 30 terms sealed the deal.
Every stone we've received has matched the grading report precisely. The team is responsive and delivery is reliable — exactly what we need for production schedules.
Join over 500 jewellery businesses already sourcing smarter. Request your custom wholesale catalogue and pricing sheet today.
No minimum order to get started. Quotes within 24 hours.
Email Our Team DirectlyAlso Available
📞 +91 22 4896 2200
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