We ve estimated the average diameter mm for excellent cut round diamonds using measurements listed on blue nile.
Diameter of a 1 carat round diamond.
Use our diamond size chart to predict the carat weight by the mm diameter of a round diamond.
Wondering what a 1 carat round diamond looks link on a hand.
43 47 mm which falls within the normal range for 1 5ct 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.
A 0 18 carat round diamond can also have a 3 80 mm diameter and 0 22 carat round diamond also may have a 3 80 mm diameter.
Actual diamond size here you can see how big 1 carat diamond 6 5 6 5 3 92mm actually is and how it would appear on a ring and finger.
For example a 6 5 mm round diamond sapphire and opal all cut in the same proportions will all weigh different.
Understanding the 4 c s of a diamond color cut carat clarity and the factors that impact its quality price and value.
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.
Our round diamond size chart will help you convert millimeter mm size to carat size for round cut diamonds.
They are all the same exact carat weight.
Even though the carat weight is 50 of a 1 carat stone it doesn t face up twice as small.
Many diamond size charts tend to overestimate the diameter of a diamond for its carat weight.
Adjust the ring and finger size to get an idea of how it would look on your finger.
The below diameters are just an indicative measure for different carat weights of a round diamond with excellent cut grading.
The sapphire with an sg of 4 will weigh 1 14 carats.
The diameters below are based on actual diamonds listed for sale rather a theoretical carat mm conversion formula.
This is because diamonds can be cut in various ways.
The diamond with an sg of 3 52 will weigh 1 carat.
Face up size of this diamond is as you would expect of a 1 5ct round learn more.
Take a look at these three diamonds.
Settings compare.
On the other hand the size of a 5 carat diamond is approximately 5 2mm.