If you already know your size u can use the chart below
If you don't know your size you can measure your ring size first. Follow the steps below
Use a piece of string or dental floss (or paper paper about 6" long and 1/4" wide) and wrap it around the base of your finger
Use a pen to mark the point on the string where the end meets
Use a millimeter ruler to measure the string
Now choose the closest measurement to the chart below to find your ring size.
NECKLACE LENGTH IN CM
NECKLACE LENGTH IN INCH