Marquise 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.
| Marquise MM Size | Marquise Carat Weight |
|---|---|
| 6×3 mm | 0.25 ct |
| 8×4 mm | 0.50 ct |
| 9×4.5 mm | 0.75 ct |
| 10×5 mm | 1.00 ct |
| 11×5.5 mm | 1.25 ct |
| 12×6 mm | 1.50 ct |
| 12.5×6.25 mm | 1.75 ct |
| 13×6.5 mm | 2.00 ct |
| 14×7 mm | 2.50 ct |
| 15×7 mm | 3.00 ct |
| 15×8 mm | 3.50 ct |
| 16.5×8.25 mm | 4.00 ct |
| 16.75×8.5 mm | 4.50 ct |
| 17×8.5 mm | 5.00 ct |
| Marquise MM Size | Marquise Carat Weight |
|---|---|
| 3×1.5 mm | 0.025 ct |
| 3.5×1.75 mm | 0.065 ct |
| 3.5×2 mm | 0.07 ct |
| 4×2 mm | 0.10 ct |
| 3.75×1.75 mm | 0.11 ct |
| 4.25×2.25 mm | 0.12 ct |
| 5×2.5 mm | 0.14 ct |
| 5.5×2.75 mm | 0.16 ct |
| 5.5×3 mm | 0.18 ct |
| 5×3 mm | 0.20 ct |
| 6.5×3 mm | 0.23 ct |
| 6×3 mm | 0.25 ct |
| 7×3 mm | 0.30 ct |
| 7.5×3.5 mm | 0.33 ct |
| 7×4 mm | 0.34 ct |
| 8×4 mm | 0.50 ct |
| 8.75×4.25 mm | 0.70 ct |
| 9×4.5 mm | 0.75 ct |
| 9.5×4.7 mm | 0.85 ct |
| Marquise MM Size | Marquise Carat Weight |
|---|---|
| 10×5 mm | 1.00 ct |
| 11×5.5 mm | 1.25 ct |
| 11.5×6 mm | 1.33 ct |
| 12×6 mm | 1.50 ct |
| 12.5×6.25 mm | 1.75 ct |
| 13×6.5 mm | 2.00 ct |
| 14×7 mm | 2.50 ct |
| 15×7 mm | 3.00 ct |
| 15×7.5 mm | 3.25 ct |
| 15×8 mm | 3.50 ct |
| 16×8 mm | 3.86 ct |
| 16.5×8.25 mm | 4.00 ct |
| 16.75×8.5 mm | 4.50 ct |
| 17×8.5 mm | 5.00 ct |
| 17.5×10 mm | 5.50 ct |
| 20×8 mm | 7.08 ct |
| 20×10 mm | 7.94 ct |
| 20×11 mm | 9.50 ct |
Diamond size charts by shape
Browse detailed diamond size guides by shape to help you choose the perfect fitfor your jewelry designs.
