Ring Size Chart Circumference (mm) Diameter (mm) Size (HK) Size (US) Size (UK) 43.3 13.8 5 2.75 44.3 14.1 6 3 45.5 14.5 7 3.5 46.5 14.8 8 3.75 47.7 15.2 9 4.25 48.7 15.5 10 4.75 49.9 15.9 11 5.25 50.9 16.2 12 5.5 52.1 16.6 13 6 53.1 16.9 14 6.5 54.3 17.3 15 7 55.6 17.7 16 7.5 56.5 18 17 7.75 57.5 18.3 18 8.25 58.7 18.7 19 8.75 59.7 19 20 9 60.9 19.4 21 9.5 61.9 19.7 22 10 63.1 20.1 23 10.25 64.1 20.4 24 10.75 62.3 20.8 25 11.25 66.3 21.1 26 11.5 67.5 21.5 27 12 68.5 21.8 28 12.5 69.7 22.2 29 12.75 70.7 22.5 30 13.25
Bracelet Size Chart Tight Wrist Measurement (cm) Suggested Bracelet Length (cm) 12 13-14 13 14-15 14 15-16 15 16-17 16 17-18 17 18-19 18 19-20 19 20-21 20 21-22 21 22-23
*The above are the recommended sizes only. Please select bracelet length according to individual needs. Bracelet style and thickness may also affect your selected length.