In the United States, the smallest standard ring size for women is usually a size 3, which has a circumference of about 44.2 mm and a diameter of roughly 14.1 mm.

Compare the measurement to a ring size chart to find your closest size. You can also do the same with paper, cutting a strip no wider then 1.5cm and measuring the size of the loop it makes around ...

But even size 13 is too small for some people, with “most” men’s rings ranging from size 8 to size 15, according to a jewelry designer. As such, Samsung is apparently planning to launch the ...