4.5 centimeters refers to a ring circumference of 45mm. Currently, there are four mainstream ring size standards in the market: Hong Kong version ring size, mainland version ring size, American version ring size, and European version ring size. Both the Chinese and European versions have rings with a circumference of 45mm, and the specific selection needs to be based on the comparison table used by the store.
Mainland version ring size comparison chart
As shown in the table below,
The mainland version of the ring with a circumference of 45mm corresponds to size 5 and a diameter of 14.3mm.
Hong Kong Ring Size Comparison Table
According to the table below
know
The ring with a circumference of 45mm basically corresponds to the Hong Kong version size 6, which is relatively small and needs to be customized.
European Ring Size Comparison Table
According to the table below
know
The ring with a circumference of 45mm corresponds to the European size 45 and a diameter of 14.32mm.
