Diamond Grades
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Diamond grades are important when determining the value of a diamond jewelry.
Diamond quality is determined by four characteristics, often called the four Cs.
Cut-It takes an expert diamond jeweler to make the right cuts (facets) and proportion of the diamond. Round brilliant diamonds often have 58 facets. The better the diamond is proportioned, the more light is able to refract in the diamond.
Carat-How big is the diamond? There are 100 points to a carat. If a diamond is 50 carats, then it is ½ a carat (there are 5 carats to a gram). Take into account only the size of a diamond and not it's weight. Sometimes, a .90 diamond will be sold as a 1 carat, even though it is substantially less expensive.
Clarity-How flawless, or clear is the diamond?
Flawless: perfect inside and out
Internally Flawless: may have minor blemishes on the outside
VVS1, VVS2: have very very small inclusions. VVS1 inclusions can only be seen through the pavilion. VVS2 inclusions are more visible.
VS1, VS2: have very small inclusions. VS1 inclusions are harder to see than VS2.
SI1, SI2, SI3: have small inclusions
I1, I2, I3: have inclusions visible to the naked eye.
Color-Diamonds range from colorless, or white to yellow and brown. The color is measured using a scale from D to Z, D being white and Z being brown.
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