Diamond Conversion Chart 

0.09 to 0.13 is a 1/10
0.14 to 0.17 is a 1/6
0.18 to 0.23 is a 1/5
0.24 to 0.28 is a 1/4
0.29 to 0.34 is 1/3
0.35 to 0.44 is 3/8
0.45 to 0.55 is 1/2
0.56 to .65 is 5/8
0.66 to .72 is 7/10
0.73 to 0.78 is 3/4
0.79 to 0.86 is 8/10
0.87 to 0.95 is 7/8
0.96 to 1.05 is 1 carat