Ring sizes

RING sizes for the designer Oliver Weber'i grins with Swarovski crystals:

            size     diameter                   perimeter
S     =   5 / 6    15,80 - 16,50 mm.    49,00 mm. - 52,00 mm.
M    =    7         17,30 mm.                54,80 mm.
L     =    8         18,30 mm.                57,30 mm.
XL   =   10        19,80 mm.                62,20 mm.
XXL =   11        20,80 mm.                65,00 mm.