Zircon Colored Ring

Specifications
Thickness: 1.0cm
Material: Copper electroplating 18k genuine gold +AAA zircon
Size: No 4, 56, 7, 8
Perimeter: 46.8, 49.4, 52, 54.5, 57.2
Diameter: 14.8, 15.7, 16.5, 17.3, 18.2. Units: mm
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
Record accuracy to millimeter
It is recommended to measure more than three times and take the average value
Notes:
There might be manual measurement errors
Avoid cold measurements, which are smaller than usual.