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 49.0mm 15.6mm
52 L 6 51.6mm 16.4mm
54 N 7 54.0mm 17.2mm
56 O 7.5 55.3mm 17.6mm
58 Q 8.5 57.8mm 18.4mm
60 R 9 59.1 mm 18.8mm
62 T 10 61.8mm 19.6 mm
64 V 11 64.1mm 20.4mm

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