Ring Size Chart

SIZE	UK	EU	USA	JAPAN	Inner Diameter
Small	K	50	5	9	15.9mm
Medium	M 1/2	53	6.5	13	16.92mm
Large	S	60	9	18	19.15mm
X-Large	Y	67	12	25	21.59mm

This chart is a guide to enable you to choose the best possible fit. As the rings are sterling silver you should be able to get them altered at a jewellers but bare in mind some detail may be lost.