Diamond Carat Weights and Tolerance Range
1/20 carat |
.04-.06 |
1/10 carat |
.085-.11 |
1/8 carat |
.115-.14 |
1/6 carat |
.145-.17 |
1/5 carat |
.18-.22 |
1/4 carat |
.23-.28 |
1/3 carat |
.29-.36 |
3/8 carat |
.37-.44 |
1/2 carat |
.45-.57 |
5/8 carat |
.58-.68 |
3/4 carat |
.69-.79 |
7/8 carat |
.80-.94 |
1 carat |
.95-1.11 |
1 1/5 carats |
1.18 - 1.22 |
1 1/4 carats |
1.23-1.28 |
1 1/3 carats |
1.29-1.36 |
1 3/8 carats |
1.37-1.44 |
1 1/2 carats |
1.45-1.57 |
1 5/8 carats |
1.58-1.68 |
1 3/4 carats |
1.69-1.79 |
1 7/8 carats |
1.80-1.94 |
2 carats |
1.95-2.11 |
3 carats |
2.95-3.11 |
4 carats |
3.95-4.11 |
5 carats |
4.95-5.11 |
6 carats |
5.95-6.11 |
7 carats |
6.95-7.11 |