Gucci is an Italian jewelry brand, and the ring size basically follows European standards. Gucci ring size comparison table * * * has 27 sizes, which are 4 1-27 rings, corresponding to French size 4 1-67, British size B-Y and Japanese size 1.2-26. In China, most women are suitable to wear gucci rings of size 10- 15, and most men are between size 15-2 1.