The clarity of a diamond refers to the presence of internal inclusions, or flaws, occurring naturally within the crystal structure. Almost all diamonds have inclusions, but in higher quality stones they are not visible to the naked eye or under low power magnification. The greater the clarity of a diamond, the more rare it is.
For engagement rings, Kwiat recommends a clarity of SI1 or better. For diamond stud earrings, a clarity of SI2 or better is recommended. Kwiat Tiara® Diamonds fall within the Flawless to SI range.
Flawless (F) and Internally Flawless (IF) diamonds show no inclusions when examined under 10x magnification.
VVS1 AND VVS2
Very Very Slightly Included (VVSI and VVS2) diamonds contain minute inclusions that are very difficult for a skilled grader to see under 10x magnification. These inclusions are never visible to the naked eye.
VS1 AND VS2
Very Slightly Included (VS1 and VS2) diamonds contain minute inclusions that are generally visible to a skilled grader only under 10x magnification. These inclusions are not visible to the naked eye.
SI1 AND SI2
This classification of diamonds is important to discuss at greater length as there are more variables to consider when evaluating them. Slightly Included (SI1 and SI2) diamonds contain imperfections that are easily visible under 10x magnification. In SI1 and SI2 diamonds, the inclusions are often not visible to the naked eye and generally have no impact on the appearance of the stone or its brilliance.
It is important to keep in mind that the SI1 and SI2 classifications are broad and there are many different types and sizes of inclusions. We are commonly asked by our customers about the number of inclusions in a particular diamond. We explain to them that it’s often better to have many tiny inclusions than one or two larger ones.
Kwiat does not accept SI diamonds with inclusions that impact the appearance of the stone or its brilliance.
I1, I2 AND I3
Included (I) diamonds contain flaws that are obvious under 10x magnification and easily visible to the naked eye. These imperfections will generally affect the appearance of a diamond.