925 Silver Chalcedony (Blue Agate) Small Oval 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