The size range of rings in China is 4-26, the size range of rings in Europe is 44-61, and the size range of rings in the United States is 5-12, so the size of rings in 18 belongs to the size of China. Please check the ring size comparison table in Chinese Mainland or Hong Kong.
Mainland version ring size comparison chart
According to the table below, the circumference of the mainland version corresponding to ring size 18 is 58mm and the diameter is 18.5mm.
Hong Kong Ring Size Comparison Table
According to the table below, the circumference of the Hong Kong version corresponding to ring size 18 is 60mm and the diameter is 18.2mm.
