Old School RuneScape Wiki
Old School RuneScape Wiki
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Polished 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.

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A polished blue gem is an item obtained during the 2018 Birthday event by giving Herquin a semi-precious blue gem. It is to be given to Da Vinci in order to create the prop sword for his painting.