Diamond clarity is a measure of the purity and rarity of the stone, graded by the visibility of these characteristics under 10-power magnification. A stone is graded as flawless if, under 10-power magnification, no inclusions (internal flaws) and no blemishes (external imperfections) are visible. Absolutely flawless diamonds are exceedingly rare and priced accordingly.
Tiffany’s strict diamond grading standards are executed with expertise, integrity and accuracy. When Tiffany believes that a diamond’s clarity is on the borderline between two grades, Tiffany will always assign the stone a lower grade—never falsely inflating a diamond’s clarity grade.
Tiffany rejects any diamond with noticeable imperfections to the unaided eye.
Tiffany Diamonds Clarity Grade
VVS1 VVS2Very, Very Slightly Included
VS1 VS2Very Slightly Included
SI1 SI2Slightly Included
I1 I2 I3Imperfect
The gemological standards in this guide refer only to round brilliant diamonds from .18 to 2.99 carats set in certain ring styles. Round brilliant diamonds smaller or larger, fancy-shaped diamonds and fancy color diamonds each have their own specially tailored standards of evaluation. Consult your Tiffany Sales Professional for details.
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