Ring Size Guide

Every Katerina Sibilia ring is made to order in your size. If you are unsure of your ring size, we recommend visiting a local jeweller for professional measurement. The table below provides a reference across European, UK and US sizing systems.

EUUKUSDiameter
48I4.515.3mm
49J515.6mm
50K5.515.9mm
51L5.7516.2mm
52616.5mm
536.516.8mm
54N717.2mm
55O7.517.5mm
56P817.8mm
57Q8.518.1mm
58R8.7518.5mm

If you need guidance, Katerina is happy to help you find your size.

Contact Katerina