Sizing

Ring Size Guide

Method 1

  • Select a ring which you own that properly fits the intended finger
  • Measure the inside diameter of the ring
  • If the ring falls between two sizes then we suggest buying the larger size

 Method 2

  • With a piece of string measure the around intended thumb or finger
  • Match this with the circumference in the table below
  • We recommend selecting the large size if it falls between two sizes

✅ Risk-free purchase with our returns guarantee 14 days of purchase (UK) and 28 days (overseas).

Women

Tranquillity / EU Size

UK Size

US Size

Circumference (mm)

Diameter (mm)

50 J 5 48.5mm 15.9mm

52

L

6

51mm

16.71mm

54

O

7

55mm

17.33mm

56

P

7.5

56mm

17.93mm

58

R

8.5

58.5mm

18.55mm

60

S

9

59.5mm

19.35mm

62 U 10 62.5mm 19.81mm
64 W 11 65mm 20.17mm

 

Men

TRANQUILLITY / EURO SIZE UK SIZE US SIZE CIRCUMFERENCE (MM) DIAMETER (MM)
56 Q 8 57.8 18.4
58 S 9 59.5 19.15
60 U 10 62.5 19.81
62 W 11 65 20.61
64 Y 12 67.5 21.4
66 Z+1 13 70.5 22.1