The ring diameter of 1.9 centimeters means that the inner diameter of the ring is 19mm. Currently, the mainstream ring size standards on the market are divided into four types: mainland ring size, Hong Kong ring size, American ring size, and European ring size. They all have rings with a diameter of 19mm, and the specific selection needs to be based on the comparison table used by the store.
Mainland version ring size comparison chart
According to the table below, the mainland version size corresponding to a ring with a diameter of 19mm is around 19-20, and the circumference is around 60mm.
Hong Kong Ring Size Comparison Table
According to the table below
know
The ring with a diameter of 19mm corresponds to the Hong Kong version size of 20, with a circumference of 62mm.
US Ring Size Comparison Table
According to the table below
know
The ring with a diameter of 19mm corresponds to a US size of around 9-10 and a circumference of around 59.5mm.
European Ring Size Comparison Table
According to the table below
know
The ring with a diameter of 19mm corresponds to the European size 60, with a circumference of 60mm.
