The size of this ring is 57 according to the European standard This model has been built and the technical problems have been fixed The upper part of it is equipped with cutting plates, which multiplies its beauty and shine Its weight with different metals is approximately: 18 karat yellow gold: 5.21 grams Platinum: 6.79 grams Titanium: 1.52 grams Steel: 2.60 grams 18 karat white gold: 4.95 grams 925 silver: 3.50 18 karat rose gold: 5.21 If you have any questions or suggestions, I am ready to answer I will be very happy if you write me your comments