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.
Actual size 3 carat emerald cut diamond.
Compared to 3ct emerald reference diamond see below this diamond is of adequate size when viewed from the top.
Compared to 1ct emerald reference diamond see below this diamond is of adequate size when viewed from the top.
The face up size of this 3 5 carat emerald 10 14 7 51 4 88mm is within the normal range for 3 5ct diamonds of this shape.
There are also so many factors that go into a great diamond all of which are summed up in the stone s overall grade.
In short all is ok this diamond looks its weight.
Compared to 3 5ct emerald reference diamond see below this diamond is of adequate size when viewed from the top.
The diamond with an sg of 3 52 will weigh 1 carat.
The importance of face up size.
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 face up size of this 3 carat emerald 9 64 7 14 4 64mm is within the normal range for 3ct diamonds of this shape.
The diamond on the left is 1 00 carat and has a good cut.
Also most people have misconceptions that a diamond of 3 00 carats would be twice as big as another stone of 1 50 carats.
In short all is ok this diamond looks its weight.
The surface area is 6 23x6 2mm.
The importance of face up size.
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.
The sapphire with an sg of 4 will weigh 1 14 carats.
The surface area is 6 23x6 26mm.
The opal with an sg of 2 15 will only weigh 0 61 carats.
As you can see from the diamond size comparison above a 3 00 carat diamond would have a diameter of 9 00 mm compared to the 7 50 mm diameter a 1 50 carat diamond has.
The face up size of this 1 carat emerald 6 68 4 95 3 22mm is within the normal range for 1ct diamonds of this shape.
For example a 6 5 mm round diamond sapphire and opal all cut in the same proportions will all weigh different.
The diamond on the right weighs in at 0 92 carats and has an excellent cut.
A 3 carat diamond is quite the.