Ring Size Guide

Measure a ring you already own and check the table below. Paper-based sizing can't be guaranteed. For the best result, get sized by a local jeweller, or write to us and we will guide you.

Measure the ring circumference — Circumference

Measure the ring inside diameter — Inside diameter

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Circumference	Inside diameter	IT	UK	US
41 mm	13 mm	1	—	—
42 mm	13.3 mm	2	—	—
43 mm	13.6 mm	3	—	—
44 mm	14 mm	4	F	3
45 mm	14.3 mm	5	F½	—
46 mm	14.6 mm	6	G	3½
47 mm	14.9 mm	7	H	4
48 mm	15.3 mm	8	I	4½
49 mm	15.6 mm	9	J	5
50 mm	16 mm	10	K	5½
51 mm	16.2 mm	11	L	—
52 mm	16.5 mm	12	L½	6
53 mm	16.8 mm	13	M½	6½
54 mm	17.2 mm	14	N	7
55 mm	17.4 mm	15	O	—
56 mm	17.8 mm	16	O½	7½
57 mm	18.1 mm	17	P½	8
58 mm	18.5 mm	18	Q	8½
59 mm	18.8 mm	19	R	9
60 mm	19.1 mm	20	S	9½
61 mm	19.5 mm	21	T	10

Most rings can be resized in our atelier before shipping: tell us your size and we will advise on the specific piece.