You can see the length (in centimeters) of the chain in the description of the product you are interested in. Conceivably with the help of the photo above you can understand the position you will
has the necklace around your neck. Τhe range of centimeters indicated in the description of each product refers to the minimum and maximum length of the necklace.
Measure the diameter of your favorite ring with a ruler.
Take special care to measure from the inside of the ring as shown in the photo above. Then compare the size (in centimeters) you found with the size of the ring you are interested in.