Precise Infusion on noninfused ammy/earrings
I did hear a rumor that an item for extracting upgrades without destroying the equipment would be available someday… just hope it’s true. For now, there’s nothing you can do about it.
“Memories are nice, but that’s all they are.”
Infusing a ring or backpiece in the Mystic Forge currently destroys all infusions in the item. Unless something changes with the way the mystic forge works, it will probably be the same for earrings and amulets.
Who knows if ANet will even bother to make it possible to infuse those trinkets for months to come though? Ascended Armor coming out is going to add +30 to our max AR unless it somehow doesn’t have infusion slots, and the agony slots in infused rings and backpieces scale forever. Just armor and +10 rings/backpieces would let us play to level 79 fractals.
The upgrade extractor, if it gets released at all, will probably happen long before we can infuse earrings and amulets.