How big is a diamond - if the carat is?
Remember - carat is a weight - a stone cut to perfect proportions will have similar dimensions to the chart.
| Diamond weights into mm sizes - not always accurate! - but close. |
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.03 carat diamond .03 carat 2.0mm diameter |
.05 carat diamond .05 carat 2.5mm diameter |
.07 carat diamond .07 carat 2.7mm diameter |
1/10 carat diamond .10 carat 3.0mm diameter |
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1/6 carat diamond .15 carat 3.4mm diameter |
1/5 carat diamond .20 carat 3.8mm diameter |
1/4 carat diamond .25 carat 4.1mm diameter |
1/3 carat diamond .33 carat 4.4mm diameter |
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3/8 carat diamond .40 carat 4.8mm diameter |
1/2 carat diamond .50 carat 5.2mm diameter |
5/8 carat diamond .65 carat 5.6mm diameter |
3/4 carat diamond .75 carat 5.9mm diameter |
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7/8 carat diamond .85 carat 6.2mm diameter |
1 carat diamond 1.00 carat 6.5mm diameter |
1 1/4 carat diamond 1.25 carats 7.0mm diameter |
1 1/2 carat diamond 1.50 carats 7.4mm diameter |
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1 3/4 carat diamond 1.75 carats 7.8mm diameter |
2 carat diamond 2.00 carats 8.2mm diameter |
2 1/4 carat diamond 2.25 carats 8.6mm diameter |
2 1/2 carat diamond 2.50 carats 9.0mm diameter |
| Weight in Carats | Diameter in Millimeters |
|---|---|
| 0.01 ct | 1.3 mm |
| 0.03 ct |
2.0mm |
| 0.05 ct | 2.4 mm |
| 0.10 ct | 3.0 mm |
| 0.15ct | 3.4mm |
| 0.20 ct | 3.8mm |
| 0.25 ct | 4.1mm |
| 0.33 ct | 4.4mm |
| 0.50 ct | 5.1mm |
| 0.75 ct | 5.9mm |
| 1.00 ct | 6.5mm |
| 1.50 ct | 7.4mm |
| 2.00 ct | 8.2mm |
| 8.00ct | 13.0mm |
