Sapphire
Sapphire is a brilliant blue, translucent corundum
mineral. Sapphires vary from a clear, pale blue to a
radiant azure.
A sapphire included in any wand with a conjuration
(summoning) spell increases the save DC against the
wand’s effect by +1. If no saving throw applies or is
allowed, it instead adds +1 to the effective caster level of
the effect.
Material Cost: 1,000 gp.