Flawless
FL diamond prices.
FL stands for "Flawless" on the GIA clarity grading scale. No inclusions or blemishes visible under 10x magnification. The rarest and most valuable clarity grade. Our analytics are based on 25,215 diamonds with FL clarity — 23,255 lab-grown and 1,960 natural.
FL by colour grade.
Based on 23,255 lab-grown diamonds.
Browse FL by shape.
Frequently asked.
What does FL clarity mean?
FL stands for "Flawless". No inclusions or blemishes visible under 10x magnification. The rarest and most valuable clarity grade.
How much does a FL diamond cost per carat?
Based on 25,215 diamonds, FL lab-grown diamonds average £2,013/ct and natural FL diamonds average £11,492/ct.
Is FL clarity worth the price?
FL is a premium clarity grade — inclusions are invisible even under magnification. Ideal for investment-grade diamonds or those who want the very best.