So you've decided to surprise his girlfriend to buy a wedding ring for his beloved, to please my mother a surprise gift. The question remains: how do you know what size ring would be suitable? Whether it is a product of silver or gold, with stones or without, any shape and size - the size of the ring is determined by the same rules. For Russia, the size of the ring is considered to be the internal diameter in millimeters, but in European countries, for example, consider the size of the American ring circumference.
