pure gold

[Arkteia]

Many jewelers agree to use customer's gold.

If it is 1 g, 99.999-proof gold, how many grams of 18-ct it would make? 14-ct?
Can you post a link?

 

[VapidLapid]

one gram of 999 gold makes 1.3333gram 18kt
http://dendritics.com/scales/metal-calc.asp