Diamond Size Chart

The measurements provided below are real examples to help you visualize diamond sizes and their corresponding carat weights. Remember, each diamond is unique, so these are just guidelines to help you find the perfect fit for your special piece.

 

Carat Round Oval Marquise Emerald Radiant Asscher Pear
0.25 ct 4.0 mm 5x3 mm 6x3 mm 5x3 mm 5x4 mm 3.8 mm 5x3 mm
0.5 ct 5.1 mm 6x4 mm 7x3.5 mm 6x4 mm 6x5 mm 4.5 mm 6x4 mm
0.75 ct 5.8 mm 7x5 mm 8x4 mm 7x5 mm 7x5.5 mm 5.2 mm 7x5 mm
1.0 ct 6.4 mm 8x6 mm 9x4.5 mm 7.5x5.5 mm 7.5x6 mm 5.5 mm 8x5 mm
1.5 ct 7.3 mm 9x7 mm 11x5.5 mm 8.5x6.5 mm 8.5x7 mm 6.4 mm 9.5x6.5 mm
2.0 ct 8.1 mm 10x8 mm 12x6 mm 9.5x7.5 mm 9.5x8 mm 7 mm 10x7 mm
2.5 ct 8.9 mm 11x9 mm 13x6.5 mm 10x8 mm 10x8.5 mm 7.5 mm 11x7.5 mm
3.0 ct 9.3 mm 12x10 mm 14x7 mm 11x9 mm 11x9.5 mm 8 mm 12x8 mm
3.5 ct 9.75 mm 12.5x10.5 mm 15x7.5 mm 11.5x9.5 mm 11.5x10 mm 8.4 mm 13x8.5 mm
4.0 ct 10.1 mm 13x11 mm 16x8 mm 12x10 mm 12x10.5 mm 8.8 mm 14x9 mm