The disc is 10 mm (3/8") . U.S. ring sizes 3-14 including 1/2" and 1/4" sizes.
Include your ring size in message to seller.
All jewelry is handmade. Please see shop announcement for current production time.
*See my other listing for coordinating stacking rings. http://www.etsy.com/listing/69042521/stacking-rings-set-of-two
Have any questions? Contact the shop owner.