US sizes: 5 | 6 | 7 | 7.5 | 8.5 (inner diameter : 15,7 / 16,5 / 17,3 /17,7/ 18,57 mm)
Metal weight(size 8.5) :type I and II- gold 14k – 2.5 grams; gold 18k – 3.0 grams.type III and IV- gold 14k – 2.9 grams; gold 18k – 3.5 grams.
Stones: type I-4.5mm-1 piece,gem weight-0,33ct.
type II-2.5mm-1 piece,gem weight-0,06ct.
type III-1.3mm-3 pieces,gems weight-0,024ct.
type IV-2.2mm-1 piece,gem weight-0,04ct.
Model avalible in STL format for prototyping or milling. 3D Geometry is healed, and fixed all the bad with software. Look at please my other products by clicking on the author name new yurk. If you have any questions or want other size and some changes, please contact me. Thank you! Good shopping for you.