Round Brilliant
Antwerp Sourced
±0.1mm Calibrated
Express Delivery

CMR Diamonds

Round Brilliant Melee — 3.70-4.00mm

0.18-0.22ct per stone · ~5 stones/carat

Shape Round Brilliant
Size Range 3.70-4.00mm
Carat Weight 0.18-0.22ct
Calibration 0.1mm
Stones per Carat ~5
Pricing Per carat (USD)
Min. Order 0.50 carat

Select Quality Tier

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Carat Calculator

How many carats do you need?

≈ 10.0 carats (+5% buffer recommended for setting)
How Ordering Works
  1. Select your quality tier above
  2. Enter the total carat weight you need (use calculator above)
  3. Add to cart — we deliver by weight, calibrated to ±0.1mm
  4. For tennis bracelets, pavé, or channel settings, order 5% extra for setter loss
Quality Tier Explained
Natural Commercial
Standard brilliant cut. D-H color, VS-SI clarity. Best value for production jewelry and bread-and-butter lines.
Natural Superior
Precision calibrated to ±0.05mm. F-G color, VVS-SI clarity. For premium engagement rings and high-end pieces.
Lab-Grown
CVD/HPHT grown diamonds. D-G color, VVS-VS clarity. Identical optical and physical properties at significantly lower cost. IGI certified above 1ct.
Shipping & Returns

Express delivery from Antwerp. All diamonds are non-returnable once inspected and accepted. Parcels sealed in tamper-evident packaging.

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