Lab Grown Diamonds
Loose lab grown diamonds for manufacturers, brands and retailers building lab grown lines.
Lab grown & natural diamonds, supplied to the trade — worldwide.
From India to jewelers, wholesalers and retail stores across the world. Every shape. 0.30ct to 5ct.
- Lab Grown + Natural
- All shapes
- 0.30ct – 5ct
- IGI · GIA · HRD
01 — The Journey
From rough to brilliance
Four stages stand behind every stone we supply.
01
Selected Rough & Origins
Lab grown and natural rough, selected stone by stone for the stones they can become.
02
Precision Cutting
Cut to exact proportions, with every facet placed to return light.
03
Calibrated Sorting
Sorted by shape, size, color and clarity — calibrated to the sizes the trade works in.
04
Certified Brilliance
Finished stones, certified by IGI, GIA or HRD — with non-certified stones available too.
IGIGIAHRD
02 — What We Supply
Two origins. One standard.
Loose diamonds only — sourced and supplied for the trade, in lab grown and natural.
Natural Diamonds
Loose natural diamonds for jewelers and wholesalers who deal in mined stones.
03 — Shapes & Sizes
Every shape. 0.30ct to 5ct.
Tell us the shape, color, clarity and size you need — we work to your requirement.
Round
The classic brilliant cut
Princess
Square brilliant cut
Oval
Elongated brilliant cut
Cushion
Rounded corners, soft outline
Emerald
Clean step-cut lines
Pear
Teardrop outline
Marquise
Elongated, pointed ends
Radiant
Rectangular brilliant cut
Asscher
Square step cut
Heart
Heart-shaped outline
Baguette
Slim rectangular step cut
Trillion
Triangular outline04 — Quality & Certification
Certified — or not. Your choice.
Stones are available with certificates from the leading gemological institutes, and non-certified parcels are available too.
Cut quality checked on the stones we offer
Certificate matched to the stone it names
Certified or non-certified — your choice, on every order
IGI
International Gemological Institute certified stones.
GIA
Gemological Institute of America certified stones.
HRD
HRD Antwerp certified stones.
Non-Certified
Non-certified stones also available, in lab grown and natural.
05 — Who We Serve
Built for the trade
Cluster Diam supplies businesses — not retail shoppers.
Jewelers
Working jewelers and manufacturers who need loose stones matched to a design, a setting, or a customer order.
Wholesalers
Diamond and jewellery wholesalers sourcing lab grown and natural parcels across shapes and sizes.
Retail Store Owners
Store owners who want a direct supply line for loose diamonds, without layers in between.
06 — Why Buy From Us
A direct line to the stone
Four things every buyer who works with us gets, on every enquiry.
Certified Stones
IGI, GIA and HRD certified stones, with the certificate matched to the stone — non-certified available when you prefer it.
Calibrated Sizes
Stones sorted and calibrated across the full 0.30ct to 5ct range, so parcels match the sizes your settings are made for.
All 12 Shapes
Round to trillion, in lab grown and natural — one supplier for the full shape run, not a different source per cut.
Sourced To Your Requirement
Send your exact shape, color, clarity and size — stones are sourced fresh against your requirement, and you deal directly with the owner.
07 — How To Enquire
Share your requirement
The more exact the requirement, the faster and sharper the response.
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1
Tell us what you need
Diamond type, shape, color, clarity, size range, and whether you want certified or non-certified stones.
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2
Send it on WhatsApp or email
Use the requirement builder, or simply message us your specs in your own words.
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3
Talk directly with the owner
Every enquiry is handled personally by the owner — details and quotations are shared one-to-one.