925 Silver Ruby Full-Finger Ring

In our boutique, we use the Circumference method to size our rings. If you're used to buying your rings in either the UK or US / Canada sizes, you can use the approximate conversions below. 

 

Circumference (in mm)	UK SIze	US / Canada
37.54	A	1/2
38.86	B	1
40.15	C	1 1/2
41.5	D	2
42.76	E	2 1/2
44.14	F	3
45.11	G	3 3/8
46.02	H	3 3/4
47.25	I	4 1/4
48.38	J	4 5/8
49.64	K	5 1/8
50.58	L	5 1/2
51.87	M	6
53.16	N	6 1/2
54.51	O	7
55.76	P	7 1/2
57.15	Q	8
58.47	R	8 5/8
60	S	9 1/8
61.29	T	9 5/8
62.89	U	10 1/4
63.84	V	10 5/8
65.22	W	11 1/8
66.54	X	11 5/8
67.51	Y	12
68.77	Z	12 1/2