Hello

I have the following request from a customer in the jewelry sector.

They have to examine a diamond (exemple) and the price of the examination is based on the weight (in carat, ct) of the diamond

Ex :

from 0,01 up to 1,99 ct : 120 usd

any value entered between 0,01 and 1,99 will lead to a unique price of 120 usd

from 2,00 up to 4,99 ct : 156 usd

from 5,00 up to 9,99 ct : 192 usd

Any idea on the how to do that ?

Thanks in advance