Ring size
USA & CANADA 4" 5" 6" 7" 8" 9" 10"
Inside Diameter (mm) 14.9 15.7 16.5 17.3 18.1 19.0 19.8
UK / Eroup / Australia H J1/2 L1/2 N1/2 P1/2 R1/2 T1/2
China /Japan / Singapore 7 9 11 14 16 18 20
Hong Kong 9 11 13 16 18 20.5 23
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Bracelet size (Inch/cm)
6.5" 7" 7.5" 8" 8.5" 9"
16.5cm 17.75cm 19cm 20.3cm 21.5cm 23cm
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Necklace size (Inch/cm)
16"/40cm 18"/45cm 20"/50cm 24"/61cm 30"/76cm 33"/83cm
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