specifications Thickness: 1.0cm (manual measurement, there may be a slight error in the specification and weight of the actual goods, please refer to the actual weight) Material: copper electroplating 18k genuine gold +AAA zircon The no 4 5 6 7 8 The perimeter 46.8 49.4 52 54.5 57.2 The diameter of 14.8 15.7 16.5 17.3 18.2 unit:mm Ring size selection port code comparison table Measurement steps: Preparation tools: inelastic rope or strip, tape or ruler; Wrap the rope around the part of the ring and tighten it as much as you want to wear it, keeping the rope straight. Use a thinner marker to mark the junction. Recording accuracy to millimeter; It is recommended to measure more than three times and take the average value. Notes: Manual measurement error, suggested to the physical jewelry store measurement; Avoid cold measurements, which are smaller than usual; The measurement results are usually listed below. If they are not within the scope, it is recommended to re-measure or go to the jewelry store for measurement