Sizer

A. MEASURE YOUR RING (DIAMETER)

  • Choose a ring that you own
  • Measure with straight line the diameter
  • Use the list below to select your measure
CumLaude ring size10121416
Internal DIAMETER (mm)15,916,617,217,8
Interna CIRCUMFERENCE (mm)50,251,85455,9
Italian / Spanish ring size10121416
French / German ring size50525456
English Australian ring sizeJ/KL/L½M/NO/P
US / Canadian ring size5/5½6/6½77½/8

B. MEASURE YOUR FINGER (CIRCUMFERENCE)

  • Wrap a thread around your finger
  • Check that the thread is tight enough
  • Mark the spot where the thread meet
  • Measure the distance between the two spots with a ruler
  • Use the list above to select your measure