The importance of face up size.
Actual size 3 carat emerald cut diamond.
The diamond on the left is 1 00 carat and has a good cut.
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.
To clarify we worked with landau to bring you this visual guide to diamond carat size.
There are also so many factors that go into a great diamond all of which are summed up in the stone s overall grade.
The opal with an sg of 2 15 will only weigh 0 61 carats.
Compared to 3 5ct emerald reference diamond see below this diamond is of adequate size when viewed from the top.
A 3 carat diamond is quite the.
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.
Which means that a one carat round stone will look infinitely different than an emerald cut rock.
The diamond with an sg of 3 52 will weigh 1 carat.
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.
The importance of face up size.
Also most people have misconceptions that a diamond of 3 00 carats would be twice as big as another stone of 1 50 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 surface area is 6 23x6 26mm.
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.
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.
In short all is ok this diamond looks its weight.
For example a 6 5 mm round diamond sapphire and opal all cut in the same proportions will all weigh different.
In short all is ok this diamond looks its weight.
Compared to 3ct emerald reference diamond see below this diamond is of adequate size when viewed from the top.
The sapphire with an sg of 4 will weigh 1 14 carats.
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 surface area is 6 23x6 2mm.