Channel 2.5mm Stone Setting Practice Ring

Channel setting for 2.5mm round stones. 

Learning made easier and economical. 

If you choose to make your own, these stones fit perfectly: https://amzn.to/3QFOR6S

This was designed to work within a standard straight jaw vice, but for best results consider using a GRS Inside Ring Holder or similar device: 

https://grs.com/product/inside-ring-holder-horizontal/

https://grs.com/product/alexandre-ring-fixture/