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US Ring SizesUK & Ireland SizesDiameter in MillimetresCircumference in Millimetres
4 H 14.8mm 46.5mm
4.5 I 15.2mm 47.8mm
5 J 15.6mm 49mm
5.5 K 16.1mm 50.3mm
6 L 16.4mm 51.5mm
6.5 M 16.8mm 52.8mm
7 N 17.2mm 54mm
7.5 O 17.6mm 55.3mm
8 P 18mm 56.6mm
8.5 Q 18.4mm 57.8mm
9 R 18.8mm 59.1mm
9.5 S 19.2mm 60.3mm
10 T 19.6mm 61.6mm
10.5 U 20mm 62.8mm
11 V 20.4mm 64.1mm
11.5 W 20.7mm 65.3mm
12 X 21.2mm 66.6mm
12.5 Y 21.6mm 67.9mm
13 Z 22mm 69.1mm
13.5 Z+1 22.6mm 71mm


 N.B.: If you are not sure of your ring size we strongly recommend you visit your local jeweler.


If you intend to purchase a ring with a trim or a wide fitting ring we suggest you go up a 1/2 size than your normal ring size for e.g. if you are normally a size 6 you would then need to order a size 6 1/2.

Please note that we manufacturer all our rings based on a centre sizing measurement unless specifically specified otherwise as "Leading Edge Measurement Given" in the "Add Comments about your Order" box.

If you require a ring size above or below what is displayed on our website please email us with the size you require and we will arrange for it to be made.


Both the foreground (design and text) and background are polished. The foreground (design and text) is polished and the background is sandblasted which results in the design/text becoming more prominent.

Please note: this selection of finishes is only available on a selection of our rings and the standard finish is Florentine where the finish type is not specified.