Wondering what a 1 carat round diamond looks link on a hand.
Actual size 1 4 carat diamond.
The opal with an sg of 2 15 will only weigh 0 61 carats.
For each diamond the chart shows the following.
The diamond with an sg of 3 52 will weigh 1 carat.
Our round diamond size chart will help you convert millimeter mm size to carat size for round cut diamonds.
The surface area is 6 23x6 26mm.
Even though the carat weight is 50 of a 1 carat stone it doesn t face up twice as small.
The chart below illustrates why.
The surface area is 6 23x6 2mm.
The face up size of this 1 6 carat round 7 6 7 6 4 58mm is within the normal range for 1 6ct diamonds of this shape.
Face up size of this diamond is as you would expect of a 1 4ct round learn more.
Likewise the physical size of a 2 carat diamond 8 2mm diameter isn t twice as big as that of a 1 carat diamond 6 5mm diameter.
The sapphire with an sg of 4 will weigh 1 14 carats.
Approximate size the diamond images shown are a very close approximation of the actual size of a 1 carat excellent cut for each shape.
The diamond on the left is 1 00 carat and has a good cut.
Diamonds that have less depth tend to have a larger spread meaning their millimeter measurements are larger without adding carat weight.
The diamond on the right weighs in at 0 92 carats and has an excellent cut.
On the other hand the size of a 5 carat diamond is approximately 5 2mm.
This 1 4 carat round has a face up area of approx.
41 51 mm which falls within the normal range for 1 4ct rounds a face up area is the area of the girdle plane and tells you how big the stone looks when viewed from the top as set in a ring.
For instance a 1 carat marquise tends to appear larger than a 1 carat round.
In short all is ok this diamond looks its weight.
For example selecting a 1 4 carat diamond rather than a 1 5 carat will look nearly the same in physical size but the price tag could be drastically different.
The importance of face up size.
Use our diamond size chart to predict the carat weight by the mm diameter of a round diamond.
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.
Compared to 1 6ct round reference diamond see below this diamond is of adequate size when viewed from the top.