Ring sizes: inner diameter mm : 17 | 17.5 | 18 | 18.5 | 19 | 19.5 Size USA: 6.5 | 7.25 | 7.75 | 8.5 | 9 | 9.5 Gems size 4mm centre and 3mm around Recommended material - silver or gold! Approximate metal weight (for ring size 18 mm): gold 14k – 8.2 grams; gold 18k – 9.7 grams; silver 925 Sterling – 6.7 grams. Model volume (for ring size 18 mm): 634.6 cubic mm. Approximate metal weight (for 2 earrings): gold 14k – 12.7 grams; gold 18k – 15 grams; silver 925 Sterling – 10.2 grams. Model volume (for 2 earrings): 982.2 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 s.kim_jewelry_design. Any questions? Please contact me. instagram @s.kim_jewelry_design email: skimjewelrydesign@gmail.com facebook s.kim_jewelry_design youtube SKIM Jewelry Design
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