Diamonds need to set in RPT and than cast

wants to know can we do diamonds set in PRT and than do casting?

No,because the resin needs to high Temperatur to burn out.

I think the R&R Plasticast recommended burnout is a top temp of 720 degrees centigrade. Diamonds should stand that?

There are plenty of gemstone firing guides for people who embed gems in precious metal clays. Here’s one:

Diamonds are generally designated do not fire because they can fracture at kiln temperatures.

Which is ironic because they are originally formed at 900 - 1,300°C (1,652 - 2372°F). :wink:

(I know, I know: it’s the pressure that stops it cracking).

Google “stone in place casting” - there’s a fair number of resources on the subject.