"If you want to know an actual diamond size, there are charts available that can be downloaded from the internet and printed. Do not shrink the page to fit, since you will be needing the actual size to measure your diamond. Also, there are different factors that affect the size of a diamond, such as the way it was cut and the shape. Diamonds are measured in the form of carats. Another way to find
. out an actual diamond size is by taking it to a trusted jeweler.There are some other things that should be considered when evaluating a diamond, the clarity make a big difference in both the way it looks and the cost. Size isn't the only thing. The most brilliant and clear will yield the most.Also, a 2 carat diamond does not look twice as big as a 1 carat since the way it is measured is the relationship between area and volume. Also different cuts in the same amount of carats may not look the same because of the different shapes."