Emeral Cut Diamond Size Chart
A diamond carat size chart illustrates the link between carat weight and diamond dimensions in millimeters (mm). It provides a clear view of diamond sizes and shows how cut impacts appearance and sparkle.
| Round MM Size | Round Carat Weight |
|---|---|
| 4.30×3 mm | 0.25 ct |
| 6×4 mm | 0.50 ct |
| 6.5×4.5 mm | 0.75 ct |
| 7×5 mm | 1.00 ct |
| 7.3×5.3 mm | 1.25 ct |
| 7.5×5.5 mm | 1.50 ct |
| 8×6 mm | 1.75 ct |
| 8.5×6.5 mm | 2.00 ct |
| 9×7 mm | 2.50 ct |
| 9.3×7.5 mm | 3.00 ct |
| 9.75×7.7 mm | 3.50 ct |
| 10×8 mm | 4.00 ct |
| 10.5×8.5 mm | 4.50 ct |
| 11×9 mm | 5.00 ct |
| Round MM Size | Round Carat Weight |
|---|---|
| 3×2 mm | 0.10 ct |
| 3.5×2 mm | 0.12 ct |
| 4×2 mm | 0.15 ct |
| 4×3 mm | 0.20 ct |
| 4.30×3 mm | 0.25 ct |
| 5×3 mm | 0.29 ct |
| 5.5×3.5 mm | 0.46 ct |
| 6×4 mm | 0.50 ct |
| 6.5×4.5 mm | 0.75 ct |
| 6.7×4.5 mm | 0.88 ct |
| 7×5 mm | 1.00 ct |
| 7.3×5.3 mm | 1.25 ct |
| 7.5×5.5 mm | 1.50 ct |
| 8×6 mm | 1.75 ct |
| 8.5×6.5 mm | 2.00 ct |
| 9×7 mm | 2.50 ct |
| Round MM Size | Round Carat Weight |
|---|---|
| 9.3×7.5 mm | 3.00 ct |
| 9.5×7.5 mm | 3.21 ct |
| 9.75×7.7 mm | 3.50 ct |
| 9.9×7.8 mm | 3.79 ct |
| 10×8 mm | 4.00 ct |
| 10.5×8.5 mm | 4.50 ct |
| 11×9 mm | 5.00 ct |
| 12×8 mm | 5.34 ct |
| 12×10 mm | 6.00 ct |
| 14×8 mm | 6.25 ct |
| 14×9 mm | 6.38 ct |
| 14×10 mm | 8.48 ct |
| 13×11 mm | 9.13 ct |
| 14×12 mm | 11.26 ct |
| 16×12 mm | 14.22 ct |
Diamond size charts by shape
Browse detailed diamond size guides by shape to help you choose the perfect fitfor your jewelry designs.
