Ring sizes inner diameter – 19 mmAdded USA size: |6|7|8|9|10|11|12|14|.

Recommended material - silver or gold! Approximate metal weight (for ring size 19 mm): gold 14k – 23.21 grams; gold 18k – 27.77 grams; silver 925 Sterling – 18.67 grams.Model volume (for ring size 19 mm): 1802,366 cubic mm.

Approximate metal weight (for ring size 14 USA): gold 14k – 25.16 grams; gold 18k – 30.11 grams; silver 925 Sterling – 20.24 grams.Model volume (for ring size 14 USA): 1953,686 cubic mm. Model avalible in STL format for prototyping. Geometry is healed, and fixed all the bad with RP Magics software You can check out my other products by clicking on the author name. Any questions? Please contact me. Thank you!