And they have a long history.
Clarity cut carat weight.
One carat is equal to 100 points.
As diamonds increase in size their cost tends to increase exponentially rather than arithmetically.
A 1 carat si1 diamond s price is based on several factors including its shape cut quality and color grade.
Today the 4cs of diamond quality is the universal method for assessing the quality of any diamond anywhere in the world.
Subtle differences in color can dramatically af fect diamond value.
Three of them color clarity and carat weight were the basis for the first diamond grading system established in india over 2 000 years ago.
Carat weight clarity color and cut.
Two diamonds of the same clarity weight and cut can differ in value based on color alone.
The heavier the diamond the greater the carat weight.
Two diamonds of equal weight can have very different values because the quality is still determined by the color clarity and cut.
Carat weight is the easiest of the 4cs to determine because it is measured on a diamond scale.
Gia created the first and now globally accepted standard for describing diamonds.
Accordingly the cost per carat of a larger diamond of the same color clarity and cut will be higher than a smaller diamond.
Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
Cut color clarity carat.
Two diamonds of equal carat weight can have very unequal value depending upon the cut color and clarity of each.
For other diamond shapes check out james allen or blue nile for estimates.
The creation of the diamond 4cs meant two very important things.
This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions.
Keep in mind that the per carat price gets multiplied by the carat weight.
The larger whiter and cleaner the diamond the more rare it is.
That grade is made up of four factors.
Well cut 1 carat round diamonds with si1 clarity and a g i color can range from 4 000 5 500.
Cut color clarity carat are known as the 4 c s of diamond grading.
In the cut color clarity carat equation the cut of a diamond refers to everything man has done in the process of converting it from a piece of rough natural diamond material into a finished gemstone capable of the beautiful brightness and sparkle which makes diamonds the most popular.
Final thoughts on si1 diamonds.
The price per carat of diamonds rises proportionately with size.
Diamond quality could be communicated.
Diamonds are measured in terms of weight not size.
Each c has its own grading scale for evaluating quality.
The 4cs of diamonds this short tutorial explains the 4cs of diamonds cut color clarity and carat weight the most important characteristics to understand when making a diamond purchase.
Color clarity cut and carat weight.