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Carat Weight tolerance

My Trio Rings advertises the carat weight of our jewelry indicating the Total Diamond Weight, adding together the individual carat weights of the diamonds in a ring or set of rings or jewelry and denoting this with Carat Total Weight (Ctw., Cttw., Ct. Tw.) As per FTC Guidelines, below is a table of the precise carat weights for each advertised fractional carat weight.

1 Carat & Under1 Carat +2 Carat +3 Carat +4 Carat +5 Carat +
1/250.01-0.031 1/101.06-1.112 1/102.06-2.113 1/103.06-3.114 1/104.06-4.115 1/105.06-5.11
1/200.04-0.051 1/81.12-1.132 1/82.12-2.133 1/83.12-3.134 1/84.12-4.135 1/85.12-5.13
1/150.06-0.071 1/71.14-1.152 1/72.14-2.153 1/73.14-3.154 1/74.14-4.155 1/75.14-5.15
1/100.08-0.111 1/61.16-1.172 1/62.16-2.173 1/63.16-3.174 1/64.16-4.175 1/65.16-5.17
1/80.12-0.131 1/51.18-1.222 1/52.18-2.223 1/53.18-3.224 1/54.18-4.225 1/55.18-5.22
1/70.14-0.151 1/41.23-1.282 1/42.23-2.283 1/43.23-3.284 1/44.23-4.285 1/45.23-5.28
1/60.16-0.171 1/31.29-1.362 1/32.29-2.363 1/33.29-3.364 1/34.29-4.365 1/35.29-5.36
1/50.18-0.221 3/81.37-1.442 3/82.37-2.443 3/83.37-3.444 3/84.37-4.445 3/85.37-5.44
1/40.23-0.281 1/21.45-1.582 1/22.45-2.583 1/23.45-3.584 1/24.45-4.585 1/25.45-5.58
1/30.29-0.361 5/81.59-1.632 5/82.59-2.633 5/83.59-3.634 5/84.59-4.635 5/85.59-5.63
3/80.37-0.441 2/31.64-1.682 2/32.64-2.683 2/33.64-3.684 2/34.64-4.685 2/35.64-5.68
1/20.45-0.581 3/41.69-1.822 3/42.69-2.823 3/43.69-3.824 3/44.69-4.825 3/45.69-5.82
5/80.59-0.631 7/81.83-1.942 7/82.83-2.943 7/83.83-3.944 7/84.83-4.945 7/85.83-5.94
2/30.64-0.6821.95-2.0532.95-3.0543.95-4.0544.95-5.0565.95-5.05
3/40.69-0.82
7/80.83-0.94
10.95-1.05