
Probably not any time soon.
It comes down to replayability and life cycle of content. They need some items to be exclusive to certain activities to keep people playing the content. Same deal with BoP sets.
I hope they do add it at some point though.
the first problem is how does jewellery work with the traits system?
There is no research available for jewellery so there is no research. So a no trait crafter can make twice born start jewellery?