How to determine your ring size

Measure an Existing Ring

Choose a ring that already fits comfortably and measure its inside diameter. Use the conversion chart below to identify the corresponding Sanctura size.

Measure Your Finger

Measure the circumference of your finger using a soft measuring tape or a strip of paper. Compare your measurement with the chart below to find your perfect fit.

Diameter of the ring (mm)Finger circumference (mm)Size of the ring (EU)Size of the ring (US)Size of the ring (HK)
15.6494959
16.25151611
16.853536.513
17.856567.516
18.15757817
18.558588.518
19.16060920
19.862621022
20.464641124
21.467671227

Custom & Wedding Rings

For bespoke rings and wedding bands, we highly recommend confirming your ring size with a local jeweler before placing an order.

As custom-made pieces are crafted specifically for you, resizing options may be limited depending on the design.