Four different facets are considered while grading diamonds to ascertain their quality and value. These factors are cut, clarity, carat and colour. Using the grading system jewellers can compare different stones easily.
Along with of a diamond is graded from D to Z, where D indicated a genuine white diamond - a colourless diamond - and Z indicates a diamond which includes yellow hues inside. Because grading progresses from D through to Z these precious stones handle a yellowish tone. Diamonds which are graded approximately H are classified as white diamonds. Those who are graded from I onwards start showing a hint of yellow in them. The colourless stones will be the rarest of all making them probably the most valuable diamonds.
Diamonds are certainly not always perfect as a lot of them have organic blemishes in them. These blemishes could possibly be due to fractures or minerals or inclusions while the diamond is made in the earth. These blemishes disrupt what sort of light flows within the diamond and depending on the level and extent of blemishes inside the diamond determines the way continues to be graded from Pure to Included (FL to I). Diamonds which can be graded as pure/FL haven't any visible blemishes when seen under magnification whereas diamonds which can be graded as included/I have blemishes which are visible despite a human eye alone. The diamonds which might be clear of blemishes have become valuable and rare. The grades starts from Flawless and Internally Flawless - Pure, VVS1 and VVS2 - Very Small inclusions, VS1 and VS2 - Really small Inclusions, SI1 and SI2 - Small Inclusions, I1, I2, and I3 - Included.
Diamonds that are found in the earth are cut in order that the stone has maximum sparkle and brilliance. Quality cut is why a diamond expensive and valuable and that is the only real ingredient that is influenced by humans. So that you can cut diamond jewelry perfectly, greater than 50% of the rough diamond must be cut away from the craftsmen. The grades for a diamonds cut starts from Excellent - 1+ and 1, Good - 2 and three, Average - 4, Commercial - 5 and 6, and Irregular - 6 and 7.
A carat is really a unit that is utilized to determine the load of most gemstones and this is one of several factors taken into account while assessing the quality of a diamond ring. Diamonds who have higher carat values have more sparkle than diamonds with lesser carat value as light has to travel through a bigger distance.
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