Q:

Is a diamond with a clarity of 12-13 considered good quality?

A:

Quick Answer

A diamond with a clarity rating of I1 or I2 is considered relatively low-quality, at least in terms of clarity. I2 and I3 are considered grades of "included" by the Gemological Institute of America, which means they contain significant internal imperfections.

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Full Answer

The Gemological Institute of America grades diamonds on a clarity scale from "Flawless" on the one end through varying levels of slight inclusion and blemish to "Included" on the low end. "Blemish" refers to a surface imperfection, such as a polish mark, nick or scratch. "Inclusion" is an internal imperfection, such as a cloud or other mineral inside the diamond. The GIA also grades diamonds on carat, color and cut.

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