"Fleur-de-Lis" Oval Peridot RingSterling Silver "Fleur de lis" Ring set with 9 x 7 mm Oval, Rose cut Peridot. Size M SOLD You are welcomed as a rough guide to use the ring sizer app above. This is not a guarantee fit and especially on custom orders. Ring Sizing can be done at most high street Jewellers. Just try and use a ring sizing gauge similar to this bands width for the most accurate measurement. Please bear in mind, your finger size does alter when your hand are warm or cold.