Please indicate the size you need in note to seller during check out .
BRITISH : L1/2 to X1/2
FRENCH : 52,3/4 to 67,1/2
GERMAN : 16,1/2 to 21,1/4
SWISS : 12.75 to 27.5
Metric Diameter : 16.51 mm to 21.49
Metric Circumference : 51.5 mm to 66.6
Onyx is one of the traditional Birthstone for July
And the Mystical Birthstone for December
See our Shop Policies if you would like to know more about us
and for the terms & conditions.
Thanks for taking the time to visit our shop
Have any questions?
Contact the shop owner.
