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How big is a 3 4 carat diamond?

A 3/4 carat diamond is a nice size diamond, and the size varies depending on how the diamond is cut. A round 3/4 carat diamond is 5.9 millimeters wide, while a marquis cut diamond of the same size has dimensions of 9 x 4.5 millimeters. Some cuts (such as the marquis) look bigger than other cuts, when in reality, they are the same carat weight.

nikkisep, Shopping Expert

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A three quarter carat diamond weighs 150 milligrams. The size of the diamond depends on how it is cut. Some diamonds that weigh the same appear to be larger than the other because of the cut. A round diamond that weighs three quarters of a carat will appear larger than one that is a marquis cut. A carat is actually a measure of weight rather than an actual size.

NYCHIK, Shopping Expert

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