Internally Flawless
IF diamond prices.
IF stands for "Internally Flawless" on the GIA clarity grading scale. No inclusions visible under 10x magnification. Only minor surface blemishes. Exceptional quality. Our analytics are based on 77,071 diamonds with IF clarity — 40,323 lab-grown and 36,748 natural.
IF by colour grade.
Based on 40,323 lab-grown diamonds.
Browse IF by shape.
Frequently asked.
What does IF clarity mean?
IF stands for "Internally Flawless". No inclusions visible under 10x magnification. Only minor surface blemishes. Exceptional quality.
How much does a IF diamond cost per carat?
Based on 77,071 diamonds, IF lab-grown diamonds average £1,307/ct and natural IF diamonds average £3,745/ct.
Is IF clarity worth the price?
IF is a premium clarity grade — inclusions are invisible even under magnification. Ideal for investment-grade diamonds or those who want the very best.