Polished blue gem

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.

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.

v • d • e 2018 Birthday event
Characters	Da Vinci • Aggie • Herquin • Dunce • Gnome child • Wise Old Man • Evil Dave • Cow31337Killer • Tim • Crunchy • Art • Dave • Gene
Items	Prop sword • Silver dust • Gold dust • Silver paint • Gold paint • Rod with net • Semi-precious blue gem • Polished blue gem
Rewards	Prop sword • Birthday present

v • d • e Gems
Semiprecious stones	Pearl ^(Pearls) • Opal ^(Uncut) • Jade ^(Uncut) • Red topaz ^(Uncut) • Amethyst
Precious stones	Sapphire ^(Uncut) • Emerald ^(Uncut) • Ruby ^(Uncut) • Diamond ^(Uncut) • Dragonstone ^(Uncut) • Onyx ^(Uncut) • Zenyte ^(Uncut) ^(Shard)
Quest-related gems	Blood diamond • Ice diamond • Smoke diamond • Shadow diamond • Black prism • Charged onyx • Deconstructed onyx
Others	Carved gem • Enchanted gem • Eternal gem • Mystic jewel • Polished blue gem ^(Unpolished)

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