Cabbage rune.png
Semi-precious blue gem was removed after an update.
As the contents of this page no longer exist in Old School RuneScape, this article is preserved for historical purposes.

Semi-precious blue gem detail.png

A semi-precious blue gem is an item obtained during the 2018 Birthday event by using a rod with net on the fishing spot directly south of the White Knights' Castle. It is to be given to Herquin so that he can create a polished blue gem.

Community content is available under CC-BY-SA unless otherwise noted.