Over the last two years, the price of one-carat natural diamond has fallen by 26 per cent to a low of $3,923.83 (Rs 3.39 lakh ...

For instance, if the price of a diamond is $5000 and the weight of the same diamond is 0. 75 carats, you would calculate the price per carat as follows: Diamond Price Per Carat = $5000 / 0. 75 ...