Question about the gemstones on graphic models

[double gun]

How were the gemstones “set” into the graphic handles? Were they glued? Pressed? Did they have a small setting that pressed into the holes?

I’ve never seen one in the flesh to examine and was wondering….

 

[foldingknifefan]

They are glued on

 

[double gun]

Thanks for the reply, I appreciate it.