CMR Diamonds · Antwerp
Source Calibrated Diamonds
Perfectly calibrated melee diamonds from Antwerp. Natural and lab-grown options, priced per carat. Select your size below.
Select Size Range
Each size is calibrated to ±0.1mm. Click to view quality tiers and pricing.
Quality Tiers
Commercial
Natural Commercial
Standard brilliant cut. D-H color, VS-SI clarity. Best value for production jewelry and high-volume manufacturing.
- D-H color range
- VS-SI1 or SI2 clarity
- Good cut symmetry
Superior
Natural Superior
Precision calibrated to ±0.05mm. Hearts and arrows quality. For premium engagement rings and luxury pieces.
- F-G color (near colorless)
- VVS to SI clarity options
- Excellent cut & symmetry
Lab-Grown
Lab-Grown
CVD/HPHT grown. Identical optical and physical properties. Significantly lower cost with same brilliance.
- D-G color
- VVS-VS clarity
- IGI certified (1ct+)
Need custom sizes or shapes?
We source from CMR Diamonds in Antwerp. If you need specific sizes, fancy shapes, or larger quantities, contact us directly.
Contact Us
Antwerp Sourced
Direct from CMR Diamonds, member of the Antwerp Diamantkring
Perfectly Calibrated
±0.1mm tolerance on all parcels, guaranteed fit
Express Delivery
From our stock to your bench, overnight available
Ethical Sources
Polished from respected mining companies only. Never re-polished.
Pair with Our Mountings
One-stop shop: order diamonds and mountings together.