Diamond Clarity Grading

The diamond clarity grading table is based on the diamond's inclusions and surface flaws that can be seen under a ten-fold magnifying glass. At present, the internationally commonly used clarity grading system is GIA grading, which divides diamond clarity into six types, 11 grades: Flawless FL, Internal Flawless IF, Very Slightly Flawless VVS, Slightly Included VS, Micro Included level SI, included level I.

FL Flawless Level: Refers to the diamond under a 10x magnifying glass, you can see that there is no internal inclusions in the diamond, and there are no blemishes on the outside.

IF internal flawless level: refers to the diamond under a 10x magnifying glass, you can see that there is no internal inclusions, but there are some tiny flaws on the surface, which can be removed by repolishing.

VVS very slight flaw level: VVS very slight flaw level is divided into two levels, VVS1 and VVS2, which refers to the observation of the diamond under a magnifying glass of 10 times. It can be seen that there are very small flaws in the interior or surface of the diamond, but it is difficult to see even by professional appraisers. To. The difference between VVS1 and VVS2 is that VVS2 grade diamonds have tiny cotton-like dots and small stubble inside.

VS micro-flaw level: VS micro-flaw level is divided into two levels, VS1 and VS2, which means that when you observe the diamond under a magnifying glass of 10 times, you can see that there are small flaws inside or on the diamond. Very small flaws can be seen. The difference between VS1 and VS2 is that VS2 grade diamonds have tiny cotton-like dots and small stubble inside.

SI micro-inclusion level: SI micro-inclusion level is divided into two levels, SI1 and SI2, which means that the diamond has clearly visible flaws when viewed under a 10x magnifying glass. The difference between SI1 and SI2 is that the former may see blemishes by careful observation, while the latter may easily see blemishes with the naked eye.