Recommended material - silver or gold!Ring sizes inner diameter – 18 mm, sizes in USA: | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |

Moon craters ring 5 mmApproximate metal weight (for ring size 18 mm): gold 14k – 5.37 grams; gold 18k – 6.43 grams; silver 925 Sterling – 4.32 grams.Model volume (for ring size 18 mm): 417,020 cubic mm.

Moon craters ring 6 mmApproximate metal weight (for ring size 18 mm): gold 14k – 6.5 grams; gold 18k – 7.8 grams; silver 925 Sterling – 5.3 grams.Model volume (for ring size 18 mm): 502,462 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 artchagur. Any questions? Please contact me. Thank you!