Perfect for small hands/ring sizes
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TODAY WE HAVE 449
Browse our full catalog of 449 size 3 engagement ringsSHOP NOW
A size 3 engagement ring measures 14.1mm in diameter. A size 3.5 engagement ring measures 14.5 mm in diameter. Blue Nile's ring size chart breaks down the dimensions of each size.
As you shop for an engagement ring, consider that wider bands can feel more snug on the finger than a smaller band. If the band is wide, consider going up by half a size.
Sneak a ring she already owns, and place it on top of our printable ring size chart. Measure the inside of the band against the different size options. When the ring falls between two sizes, opt for the larger of the two.
Most engagement ring designs can be resized. Resizing is free for the first year at Blue Nile—as long as the design permits.