The diamond on the left is 1 00 carat and has a good cut.
Actual size 5 carat emerald cut diamond.
This 5 5 carat emerald has a face up area of approx.
The surface area is 6 23x6 26mm.
Face up size of this diamond is as you would expect of a 5 5ct emerald learn more.
Even though the carat weight is 50 of a 1 carat stone it doesn t face up twice as small.
As you can see above the size of a 1 carat diamond is approximately 6 5mm based on the assumption that the stone is cut to ideal proportions.
So even though the two diamonds have different carat sizes they have the same surface area because of the poorer cut of the first one about 10 of the carat weight is wasted.
Carat to mm chart actual size the following is a chart of actual emerald sizes from 0 25 to 10 carats with their corresponding face up dimensions in millimeters length width.
But the biggest mistake an engagement ring shopper could make she says is getting bogged down by the weight.
Our emerald cut diamond size chart includes a variety of common ratios and the standard conversions between millimeter measurements and carat weight for emerald diamonds.
The stones presented here have a length to width ratio of 1 35 but this could be anything between 1 25 and 1 65.
The surface area is 6 23x6 2mm.
On the other hand the size of a 5 carat diamond is approximately 5 2mm.