Princess Cut

0.005ct

0.01ct

0.015ct

0.02ct

0.03ct

0.04ct

0.06ct

0.07ct

0.10ct

0.12ct

0.16ct

0.18ct

0.25ct

0.30ct

0.35ct

0.38ct

0.40ct

0.50ct

0.60ct

0.75ct

1.00ct

1.25ct

1.50-1.75ct

2.00ct

2.50-3.00ct

1mm

1.25mm

1.5mm

1.7mm

2mm

2.2mm

2.5mm

2.7mm

3mm

3.2mm

3.5mm

3.7mm

4mm

4.2mm

4.5mm

4.6mm

4.8mm

5mm

5.4mm

6mm

6.6mm

7mm

7.5mm

8mm

9mm

0.06ct

0.08ct

0.10ct

0.13ct

0.15ct

0.20ct

0.23ct

0.25ct

0.30c

0.35ct

0.40ct

0.50ct

0.63t

0.75ct

1.00ct

1.25ct

1.60ct

2.25ct

2mm

2.25mm

2.5mm

2.27mm

3mm

3.25mm

3.5mm

3.75mm

4mm

4.42mm

4.5mm

4.75mm

5mm

5.25mm

5.5mm

6mm

7mm

8mm

Oval Cut

Emerald Cut

0.07ct

0.10ct

0.20ct

0.20-0.25ct

0.25ct

0.30ct

0.35ct

0.38ct

0.40ct

0.50ct

0.65ct

0.70ct

0.75ct

0.80ct

0.85ct

1.00ct

1.00-1.25ct

1.50ct

1.50-1.75ct

2.00ct

2.50ct

2.50-2.75ct

2.75-3.00ct

3.00ct

4ct

3.5x1.5mm

4x2mm

5x2mm

5x3mm

5.5x2.5mm

6x3mm

7x3mm

7x3.5mm

7x4mm

8x4mm

8.5x4.5mm

9x4mm

9x4.5mm

9x5mm

9.5x4.5mm

10x4.75mm

10x5mm

11x5mm

11x5.5mm

12x6mm

13x5.5mm

13x5.5mm

13x6mm

14x7mm

15x7mm

0.20ct

0.25ct

0.50ct

0.75ct

1.00ct

1.50ct

2.00ct

2.50ct

3.00ct

4.00ct

5.00ct

4x3mm

5x3mm

6x4mm

6.5x4.5mm

7x5mm

8x6mm

8.5x6.5mm

9x7mm

10x8mm

11x9mm

12x10mm

Carat to Millimeter size conversion

 

Please use this as a guide to compare a diamond's carat weight to its approximate mm dimensions.

Please note this is only a rough guide as the weight of the stone will vary depending upon its depth and the way it has been cut.

Brilliant Cut

0.20ct

0.25ct

0.33ct

0.40ct

0.50ct

0.65ct

0.75ct

1.00ct

1.25ct

1.50ct

1.75ct

2.00ct

2.50ct

3.00ct

3.50ct

4.00ct

4.50ct

5.00ct

4x3mm

5x3mm

5x3.5mm

5x4mm

6x4mm

6.5x4.5mm

7x5mm

7.5x5.5mm

8x6mm

8.5x6.5mm

9x6mm

9x7mm

9.5x7.5mm

10x8mm

10x8.5mm

11x9mm

11x9.5mm

12x10mm

Marquise Cut

15 Front St, Monkseaton, 

Whitley Bay, Tyne & Wear, NE25 8AQ, UK

Tel: 0191 2531043

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© 2018 by Dytham Jewellery Designers Ltd

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